in part i, why do we use different concentrations for sulfuric acid and sodium hydroxide, 3 m h2so4 versus 6 m naoh?

Answers

Answer 1

Different concentrations of sulfuric acid and sodium hydroxide are used in Part I of a titration experiment to achieve the required stoichiometric ratio of 1:2, where a higher concentration of sodium hydroxide is needed to neutralize the acid.

Why different concentrations are used for sulfuric acid and sodium hydroxide?

In Part I of a titration experiment, different concentrations are used for sulfuric acid and sodium hydroxide because their stoichiometric reaction requires different amounts of each reagent to neutralize the other. The reaction between sulfuric acid and sodium hydroxide involves a 1:2 ratio of acid to base, meaning that two moles of sodium hydroxide are required to neutralize one mole of sulfuric acid.

To achieve this stoichiometric ratio, a higher concentration of sodium hydroxide is needed relative to the sulfuric acid. Therefore, in the experiment, a 3 M solution of sulfuric acid is used while a 6 M solution of sodium hydroxide is used to ensure that the stoichiometric ratio is achieved when titrating the two solutions together.

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Related Questions

You have a 0.850 M solution of Na2CrO4 at a given temperature. At what concentration will silver ions need to be added in order for a participate to form? The Ksp for Ag2CrO4 at this temperature is 2.00 × 10^-12.
A) 2.35 × 10^-12 M
B) 1.37 × 10^-5 M
C) 5.02 × 10^-10 M
D) 1.53 × 10^-6 M

Answers

We can use the solubility product constant (Ksp) expression for Ag2CrO4 to determine the concentration of silver ions (Ag+) required for a precipitate to form:

Ksp = [Ag+]^2 [CrO4^2-]

Since we know the Ksp and the concentration of Na2CrO4 (which dissociates to form CrO4^2- ions), we can solve for the concentration of Ag+ ions:

Ksp = 2.00 × 10^-12 (mol/L)^2
[CrO4^2-] = 0.850 M

2.00 × 10^-12 = [Ag+]^2 (0.850)
[Ag+]^2 = (2.00 × 10^-12) / (0.850)
[Ag+]^2 = 2.35 × 10^-12
[Ag+] = 1.53 × 10^-6 M

Therefore, the concentration of silver ions required for a precipitate to form is 1.53 × 10^-6 M. The answer is D.

The percent by mass of each element in a compound is known as the percent composition of a compound.
Select one:
True
False

Answers

The correct answer is True. The percent by mass of each element in a compound is known as the percent composition of a compound.

can you give me a brilliant mark?

An element's molar mass is equivalent to the atomic number of the element.
Select one:
True
False

Answers

The statement "An element's molar mass is equivalent to the atomic number of the element" is not accurate.

An element's molar mass is the mass of one mole of that element, expressed in grams per mole (g/mol). It is approximately equal to the element's atomic mass, which is the mass of a single atom of that element, expressed in atomic mass units (amu). The atomic mass is roughly the sum of the protons and neutrons in the nucleus of an atom.

On the other hand, the atomic number of an element is the number of protons in the nucleus of an atom, which defines the element and determines its position in the periodic table. The atomic number does not represent the molar mass of an element.

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enough of a monoprotic acid is dissolved in water to produce a 1.56 m solution. the ph of the resulting solution is 2.64 . calculate the ka for the acid.

Answers

If the pH of the resulting solution is 2.65, The Ka for the acid is 3.21 x 10⁻⁶.

To calculate the Ka for the acid, we need to use the relationship between Ka, the concentration of the acid in solution, and the pH of the solution:

Ka = [H+][A-]/[HA]

where [H+] is the concentration of hydrogen ions in solution, [A-] is the concentration of the conjugate base of the acid in solution, and [HA] is the concentration of the acid in solution.

Given that the pH of the solution is 2.64, we can calculate the concentration of hydrogen ions in solution:

pH = -log[H+]

2.64 = -log[H+]

[H+] = 2.24 x 10⁻³M

Since the acid is monoprotic, the concentration of the conjugate base [A-] is equal to the concentration of the acid [HA]:

[HA] = 1.56 M

Now we can use the formula for Ka:

Ka = [H+][A-]/[HA]

Ka = (2.24 x 10⁻³)² / 1.56

Ka = 3.21 x 10⁻⁶

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Please Help..Please round your answers to the hundredths place and try to get 1% of the correct answer

You can enter your answers in decimal notation, or you can enter them in scientific notation using E or x10 for the power of 10 (ex enter 6.02 x10^23)

Answers

1. 2852.87 K
2.2613.60 mL
3.

SOMEONE PLEASE I NEED HELP WITH CHEMISTRY

Draw a diagram for Copper(ll) nitrate & Cu(NO3)2 in a 250.0 mL of aqueous solution to show how to make the solution. Information to include…

Molarity of solution - 0.1176
She then draws 30.0 mL of the solution into a pipet. (MOLES OF CU(NO3)2 - 0.00352)

THEN : Mrs. Mandochino empties the 30.0 mL into an empty volumetric flask and fills it to the 240.0 mL mark with distilled water.
What is the molarity of this new solution?

Make sure to have 5 ACCURATE steps drawn. Your drawing should only be 1 picture but include 5 steps.

Answers

The new concentration of the solution can be obtained as  0.0147 M.

What is the dilution formula?

Based on the original concentration and the dilution factor, the dilution formula is used to determine the concentration of a solution after dilution. The final volume to beginning volume ratio is known as the dilution factor.

The dilution equation is

C1V1 = C2V2

where C1 is the solution's initial concentration, V1 is its initial volume, C2 is its final concentration, and V2 is the solution's final volume following dilution.

By the use of the dilution formula;

0.1176 * 30 = x * 240

x = 0.0147 M

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a) Aluminum metal reacts with iron (l) oxide powder to produce aluminum oxide solid and iron metal.​

Answers

Answer:

[tex]\boxed{\rm Al_{\,(s)}+Fe_2O_{\,(s)} \rightarrow Al_2O_{3\,(s)} + Fe_{\,(s)}}[/tex]

Explanation:

Aluminium metal + iron(I) oxide powder → aluminium oxide solid + iron metal

This is an example of a displacement reaction, with chemical equation:

[tex]\boxed{\rm Al_{\,(s)}+Fe_2O_{\,(s)} \rightarrow Al_2O_{3\,(s)} + Fe_{\,(s)}}[/tex]

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A solution is prepared by dissolving 15.0 g of nh3 in 250.0 g of water. the density of the resulting solution is 0.974 g/ml. what is the mole fraction of nh3 in the solution?

Answers

To find the mole fraction of NH3 in the solution, we need to first calculate the total mass of the solution:

Total mass = mass of NH3 + mass of water
Total mass = 15.0 g + 250.0 g
Total mass = 265.0 g

Next, we can calculate the volume of the solution using the density:

Density = mass/volume
Volume = mass/density
Volume = 265.0 g/0.974 g/mL
Volume = 271.82 mL

Now, we can use the volume and concentration of NH3 to calculate the amount of moles of NH3 in the solution:

Concentration = mass/volume
Concentration of NH3 = 15.0 g/271.82 mL
Concentration of NH3 = 0.055 mol/mL

To find the mole fraction of NH3 in the solution, we need to divide the moles of NH3 by the total moles of the solution:

Mole fraction of NH3 = moles of NH3 / total moles
Total moles = (mass of NH3/molar mass of NH3) + (mass of water/molar mass of water)
Total moles = (15.0 g/17.03 g/mol) + (250.0 g/18.02 g/mol)
Total moles = 0.881 mol + 13.871 mol
Total moles = 14.752 mol

Mole fraction of NH3 = 0.055 mol/mL / 14.752 mol
Mole fraction of NH3 = 0.003729

Therefore, the mole fraction of NH3 in the solution is 0.003729.

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which asset would you classify as being most liquid?

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Cash would be classified as is being most liquid asset.

Generally cash is considered the most liquid asset because it can be easily and quickly converted into any other asset. Cash is readily accepted as a means of payment for goods and services, and it can be easily transferred between parties.

Other assets, such as stocks, bonds, and real estate, may take time and effort to convert into cash, which makes them less liquid.

However, within the context of financial markets, some securities or financial instruments such as government bonds, ETFs, or high-volume stocks can be considered highly liquid due to their ability to be quickly bought or sold without causing significant price movements.

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Two nitric oxide molecules react with one another in an elementary reaction. What is the molecularity of this reaction?

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The molecularity of a reaction refers to the number of molecules or particles that participate in the rate-determining step of the reaction.

In this case, the reaction involves two nitric oxide molecules reacting with one another in an elementary reaction. Since the rate-determining step involves only two molecules, the molecularity of this reaction is second order or bimolecular.

Therefore, we can write the rate law for this reaction as:

Rate = k[NO]^2

where k is the rate constant and [NO] is the concentration of nitric oxide.

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What are molecular orbitals? Define bonding and anti bonding orbitals. Also comment on the energy and stability of these orbitals.

Answers

Molecular orbitals result from combining atomic orbitals. Bonding orbitals are lower energy and more stable, while anti-bonding orbitals are higher energy and less stable, determining chemical bonding and properties.

Molecular orbitals are the result of the combination of atomic orbitals in a molecule. These orbitals can be either bonding or anti-bonding. Bonding orbitals are formed when atomic orbitals combine with the same phase, resulting in constructive interference and a lower energy level compared to the original atomic orbitals. On the other hand, anti-bonding orbitals are formed when atomic orbitals combine with opposite phases, resulting in destructive interference and a higher energy level compared to the original atomic orbitals.

The energy and stability of these orbitals depend on their relative positions in the energy diagram. Bonding orbitals are typically lower in energy than their constituent atomic orbitals, resulting in increased stability. In contrast, anti-bonding orbitals are typically higher in energy than their constituent atomic orbitals, resulting in decreased stability. The relative energy levels of these orbitals are important in determining the nature of chemical bonding and the properties of molecules.

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the difference between the potential energy of the products and the potential energy of the reactants is equal to

Answers

Delta E represents the energy difference between reactants and products in a chemical reaction.

The contrast between the possible energy of the items and the likely energy of the reactants is known as the adjustment of expected energy or ΔE. In a synthetic response, this energy contrast addresses how much energy that is either delivered or consumed during the response.

Assuming the potential energy of the items is lower than that of the reactants, then the response discharges energy as intensity, light, or sound. This is known as an exothermic response. On the other hand, assuming the expected energy of the items is higher than that of the reactants, then, at that point, the response assimilates energy from its environmental elements. This is known as an endothermic response.

The size of ΔE relies upon a few variables, including the compound bond qualities and the temperature and tension of the response. Understanding the adjustment of potential energy is significant in fields like science and thermodynamics, as it permits researchers to anticipate and control the energy changes that happen during synthetic responses.

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The complete question is:

In a reaction, the potential energy of the reactants is 40 kJ/mol, the potential energy of the products is 10 kJ/mol and the potential energy of the activated complex is 55 kJ/mol. What is the activation energy for the reverse reaction?(answer: 45 kJ/mol)

1. Does warm air rise or sink? Does cold air rise or sink? 2. Air pressure can be high or low. Does air flow from low to high pressure or from high to low pressure? 3. Which is heavier—warm air or cold air? 4. Which has higher air pressure—warm air or cold air? How do you know? 5. Global circulation cells occur because of uneven heat distribution and the earth's rotation. What do we call the effect of the earth's rotation on air circulation?

Answers

Answer:

1. Warm air rises and cold air sinks.

2. Air moves from high to low pressure.

3. Cold air is denser than warm air.

4. Warm air is lighter than cold air and consequently exerts less pressure.

5. Because the Earth rotates on its axis, circulating air is deflected toward the right in the Northern Hemisphere and toward the left in the Southern Hemisphere. This deflection is called the Coriolis effect.

the density of ethanol, c2h5oh, is 0.789 g/ml. how many milliliters of ethanol are needed to produce 10.0 g of co2 according to the following chemical equation? question 16 options: 1) 4.12 ml 2) 6.63 ml 3) 13.2 ml 4) 26.5 ml

Answers

Option 2- 6.63ml of ethanol is required to produce 10g of CO₂.

The chemical equation is not provided in the question. However, we can determine the amount of ethanol needed to produce 10.0 g of CO2 using stoichiometry.

The balanced chemical equation is:

C₂H₅OH + 3O₂ → 2CO2 + 3H₂O

From the equation, we can see that 1 mol of ethanol (C₂H₅OH) produces 2 mol of CO₂. The molar mass of ethanol is 46.07 g/mol, which means that 1 mL of ethanol has a mass of 0.789 g.

To determine the volume of ethanol needed, we first need to calculate the number of moles of CO₂ produced:

10.0 g CO₂× (1 mol CO2/44.01 g CO₂) = 0.227 mol CO₂

Since 1 mol of ethanol produces 2 mol of CO₂, we need half as many moles of ethanol:

0.227 mol CO₂ × (1 mol C₂H₅OH/2 mol CO₂) = 0.114 mol C₂H₅OH

Finally, we can use the density of ethanol to calculate the volume needed:

0.114 mol C₂H₅OH × (46.07 g/mol) ÷ (0.789 g/mL) = 6.63 mL

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If 50.0 g of NaN3 decompose, how many moles of N₂(g) will be produced? How many grams of
15.02
N2(g) will be produced?

Answers

For every mole of NaN3 that is broken down, one mole of N2(g) is produced. Using the molar mass of NaN3, which is 68.99 g/mol, we can determine how many moles of NaN3 are present given that we have 50.0 g of the substance.

We get 0.724 mol of NaN3 by dividing 50.0 g by 68.99 g/mol. We can determine that 0.724 mol of NaN3 will result in 0.724 mol of N2(g) since 1 mole of NaN3 yields 1 mole of N2(g). We may use the molar mass of N2(g), which is 28.02 g/mol, to determine the mass of N2(g) produced.

0.724 mol is multiplied by 28.02 g/mol to yield 20.3 g of N2(g). Therefore, 20.3 g of N2(g) will be created from 50.0 g of NaN3.

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What forms when you oxidize a quinone?

Answers

When a quinone is oxidized, it forms a hydroquinone.

This is because the oxidation reaction involves the addition of two hydrogen atoms to the quinone, which results in the formation of a hydroquinone molecule. The process of oxidizing a quinone to form a hydroquinone is an important chemical reaction in many biological processes, including cellular respiration and photosynthesis.

what is oxidation reaction ?

Redox is a type of chemical reaction in which the oxidation states of atoms are changed. Redox reactions are characterized by the actual or formal transfer of electrons between chemical species, most often with one species undergoing oxidation while another species undergoes reduction.

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The pH scale takes its name from the words physical of hydrogen

Answers

Answer:

pH which stands for potential hydrogen... Which means the negative logarithm of hydrogen ions concentrated in a solution

determine the PH of a solution containing 0.05moldm-3 NACO3​

Answers

The solution is going to have a pH of 12.7.

What is the pH?

The pH uses a logarithmic scale with 7 as neutral, where lower values are more acidic and higher ones are more alkaline, to represent the acidity or alkalinity of a solution. The hydrogen ion concentration (c), expressed in moles per litre, determines the pH, which is equal to log10(c).

Now we know that;

pOH = - log(0.05M)

pOH = 1.3

pH = 14 - 1.3

= 12.7

We know that the above can be justified if we remember that pH +
pOH = 14

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which one of the following is not true about transition metals? which one of the following is not true about transition metals? they frequently have more than one common oxidation state. their compounds frequently exhibit magnetic properties. they typically have low melting points. their compounds are frequently colored. they are found in the d-block of the periodic table.

Answers

Option c is correct. Transition metals typically have low melting points. A collection of elements known as transition metals, or the d-block, are found in the middle of the periodic table.

Because of their strong metallic bonding and partially full d-orbitals, transition metals are noted for having high melting and boiling temperatures. Due to the splitting of the d-orbitals into two energy levels, the molecule acquires its distinctive hue by absorption of light.

Their other distinguishing characteristics, including as their capacity to exist in various oxidation states and their capacity to form complex ions, are similarly influenced by these partially filled d-orbitals.

The unpaired electrons in the d-orbitals of transition metal complexes frequently give rise to magnetic characteristics. Due to the d-orbital electrons' ability to absorb light in the visible spectrum, they frequently have colored compounds as well.

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Complete question

Which one of the following is not true about transition metals?

a. they frequently have more than one common oxidation state.

b. their compounds frequently exhibit magnetic properties.

c. they typically have low melting points.

d. their compounds are frequently colored.

e. they are found in the d-block of the periodic table.

Activity A, Activity B and Activity C

Answers

When the plunger of the syringe was pulled upward, the balloon expanded or inflated.

When the plunger of the syringe was pushed, the balloon compressed or deflated.

How to explain the information

For Activity B, after being submerged in warm water, the balloon expanded or inflated.

The expansion of the balloon can be explained by the gas laws and the kinetic molecular theory (KMT). The gas laws state that when the temperature of a gas increases, its volume also increases, assuming that pressure remains constant. KMT explains that gas particles have kinetic energy and move randomly and rapidly, colliding with each other and the container they are in.

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draw the products formed when each ester is hydrolyzed with water and sulfuric acid.

Answers

When an ester is hydrolyzed with water and sulfuric acid, the products formed are an alcohol and a carboxylic acid. This reaction is also known as saponification.

During the reaction, the ester bond is broken and the water molecule is split into a hydrogen ion (H+) and a hydroxide ion (OH-). The H+ ion reacts with the ester, causing it to break down into its alcohol and carboxylic acid components. The carboxylic acid is formed by the addition of the hydroxide ion to the carbonyl group of the ester. The alcohol is formed by the addition of the hydrogen ion to the oxygen atom of the ester. The resulting products are a carboxylic acid and an alcohol that are both hydrolyzed from the original ester.

1. Identify the ester you want to hydrolyze. An ester has the general structure RCOOR', where R and R' are alkyl or aryl groups.
2. In the hydrolysis reaction, water (H2O) is used as a reactant along with sulfuric acid (H2SO4) as a catalyst.
3. The ester (RCOOR') reacts with water (H2O) in the presence of sulfuric acid (H2SO4).
4. The hydrolyzed products formed are a carboxylic acid (RCOOH) and an alcohol (R'OH).

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Como crees que la clasificacion de las mesclas constribuyen a la industria quimica en sus investiguaciones

Answers

The classification of mixtures is a fundamental concept in chemistry that is used to identify and categorize different types of mixtures based on their physical and chemical properties.

The classification is important for the chemical industry because it allows researchers to understand the behavior of different mixtures and develop strategies for their separation, purification, and processing.

For example, a mixture may be classified as a homogeneous mixture (solution) or a heterogeneous mixture (colloid or suspension) depending on the size of its particles and how they are distributed within the mixture. This classification can inform the design of separation techniques such as filtration, distillation, or chromatography that are used to isolate and purify the individual components of the mixture.

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The question is -

How do you think the classification of mixtures contributes to the chemical industry in their research?

Liquid water in the earth's air is an example of a solution. Which type of solution
would this be?

A. solid in a gas
B. liquid in a liquid
C. gas in a liquid
D. liquid in a gas

Answers

Liquid water in the earth's air is an example of a D. liquid in a gas.

What is liquid water a form of ?

Air enveloping the Earth holds a striking type of solution: liquid water suspended in gas. This phenomenon, known as a gas-liquid solution, or a method by which a non-gas solute is dissolved in a gas solvent, pervades the atmosphere.

Visible neither to the eye nor with aid of a microscope, vaporized droplets immerse themselves within air's interstices and remain invisible to sight. Other illustrative examples of this process include carbon dioxide laced throughout bubbly soda, oxygen permeating red vernal blood.

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what is the mass of solvent needed to make a 68.4% by mass solution using 22.5g Fecl2

Answers

10.3g of solvent is needed to make a 68.4% by-mass solution using 22.5g [tex]FeCl_2[/tex].

To make a 68.4% by mass solution using 22.5g [tex]FeCl_2[/tex], we need to first calculate the mass of the solution, which is the sum of the mass of the solute and the mass of the solvent.

Let x be the mass of solvent needed.

The mass of the solution can be expressed:

Mass of solution = Mass of solute + Mass of solvent

Mass of solution = 22.5g [tex]FeCl_2[/tex] + x

Since the desired concentration is 68.4% by mass, we know that the mass percent of [tex]FeCl_2[/tex] in the solution is:

Mass percent of [tex]FeCl_2[/tex] = (Mass of [tex]FeCl_2[/tex] / Mass of solution) x 100

68.4 = (22.5 / (22.5 + x)) x 100

Solving for x, we get:

x = 10.3g

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What is the pH of a 0.020 M HClO4 solution?
A) 0.020
B) 0.040
C) 1.70
D) 12.30

Answers

The pH of a 0.020 M HClO4 solution is C) 1.70.

The pH of a 0.020 M HClO4 solution can be calculated using the formula:

pH = -log[H+]

where [H+] is the concentration of hydrogen ions in the solution. Since HClO4 is a strong acid, it dissociates completely in water to form H+ and ClO4- ions.

HClO4 → H+ + ClO4-

Therefore, the concentration of H+ ions in a 0.020 M HClO4 solution is also 0.020 M. Substituting this value in the pH formula:

pH = -log(0.020) = 1.70
The pH of a substance or solution is referred to the degree of acidity or alkalinity of that substance. It is measured on a scale of 0 -14.

pH <7 are termed acidic

pH >7 are alkaline

pH =7 are termed neutral

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true or false: when an electron goes from a lower energy level to a higher energy level, photon of light is emitted with an energy equal to the energy difference between the two orbits.

Answers

when an electron goes from a lower energy level to a higher energy level, a photon of light is emitted with an energy equal to the energy difference between the two orbits.

Here's a step-by-step explanation:

1. The electron initially resides in a lower energy level, also known as its ground state.
2. The electron absorbs energy, which can be in the form of light or a collision with another particle.
3. The absorbed energy causes the electron to become excited and jump to a higher energy level or an excited state.
4. As the electron moves to a higher energy level, it releases a photon of light.
5. The energy of the emitted photon is equal to the energy difference between the two orbits (initial lower energy level and final higher energy level).

In summary, when an electron transitions from a lower to a higher energy level, a photon is emitted, and the energy of that photon corresponds to the energy difference between the two energy levels involved in the transition.

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O2 transport in a person alternates between convection and diffusion. what best explains this pattern?

Answers

The pattern of alternating between convection and diffusion in O2 transport in a person can be attributed to the different methods by which O2 is transported in the body.

Convection refers to the movement of O2 through the bloodstream with the help of the circulatory system, while diffusion refers to the movement of O2 through the tissues and cells by means of diffusion gradients. During exercise or physical exertion, for example, the body may require more O2 than what can be supplied by convection alone. In these cases, diffusion plays a more significant role in O2 transport as it enables a greater amount of O2 to be delivered to the tissues and cells. Conversely, during rest or low levels of activity, convection may be the primary method of O2 transport as the body requires less oxygen. Therefore, the alternating pattern of convection and diffusion in O2 transport is a natural and necessary process that enables the body to efficiently deliver oxygen to where it is needed.

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The total mass of a beaker of milk and a beaker of orange juice is 125 When the milk is poured into the orange juice, a cream-coloured solid is formed but the mass stays the same. Explain the observations. When the orange and milk was mixed a took place. New compounds were formed as the mass stayed the same because the provided all the atoms needed to make the products.​

Answers

Ansiedad que

Explanation:

word equation CO2 (g)+ H2 (g) CH4 (g) + H20 (g)

Answers

The word equation of the above is carbondioxide plus hydrogen gas equals methane gas plus water.

What is word equation?

Word equation represents a chemical reaction using the names of the substances involved.

Word equations do not show any chemical symbols or formulae. In a chemical reaction, reactants are the substances that react together, and products are the substances formed.

According to this question, carbondioxide and hydrogen gas reacts to form methane and water vapor as follows:

CO2 (g)+ H2 (g) = CH4 (g) + H20 (g)

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What kind of bond is required in a compound that is either cis or trans?

Answers

A covalent bond is required in a compound that is either cis or trans. In cis and trans compounds, the atoms involved are linked by a single covalent bond, but the arrangement of the atoms in space is either cis (same side) or trans (opposite side).

What is covalent bond?

An electron exchange that results in the formation of electron pairs between atoms is known as a covalent bond. Bonding pairs or sharing pairs are the names given to these electron pairs. Covalent bonding is the stable equilibrium of the attractive and repulsive forces between atoms when they share electrons. Each atom in numerous molecules can reach the equivalent of a full valence shell thanks to the sharing of electrons, which results in a stable electronic state. Covalent bonds are substantially more frequent than ionic bonds in organic chemistry.

What is cis-trans isomerism?

Cis-trans isomerism is a word used in chemistry that refers to the spatial arrangement of atoms within molecules. It is also known as geometric isomerism or configurational isomerism. The Latin prefixes "cis" and "trans" mean, respectively, "this side of" and "the other side of."Trans conveys that the functional groups (substituents) are on the opposite (transverse) sides of some plane, whereas cis implies that they are on the same side of some plane in the context of chemistry. Cis-trans isomers are examples of stereoisomers, which are pairs of molecules with the same formula but distinct functional groups oriented in three dimensions.

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Other Questions
Research indicating that people with bipolar disorder describe themselves as very responsive to rewards may help explain why those with bipolar disorder are at increased risk for becoming manic? Which of these is Eliza's thesis statement? what is accomplished by this simple pulley? (1 point) responses it changes the duration needed to lift the object. it changes the duration needed to lift the object. it changes the total work done to lift the object. it changes the total work done to lift the object. it changes the distance of the pull needed to lift the object. it changes the distance of the pull needed to lift the object. it changes the direction of the force needed to lift the object. draw the Lewis structures for two molecules of F2 in the liquid state. what do the conditions under which presidents decide to make public pleas suggest about the limits of presidential power? quizklet HELPPPPPPPPPPPPPP MEEEEEEEEEEEE PLSSSSSSSSSSS Maureen found Patrick's approach to music to be too_____hissongs were intellectually stimulating, but she wished he would put more emotion into them.A.cerebralB.meditativeC.thoughtful In fulfillment of this purpose we will not be intimidated bythe threats of dictators that they will regard as a breach ofinternational law or as an act of war our aid to thedemocracies which dare to resist their aggression. Suchaid is not an act of war, even if a dictator shouldunilaterally proclaim it so to be.- Franklin D. Roosevelt, "Four Freedoms Speech: AnnualMessage to Congress on the State of the Union," January6, 1941Which phrase best states the theme of this passage from Roosevelt's FourFreedoms speech?A. Presidents versus tyrannical dictatorsOB. Proper versus improper uses of forceC. International law versus an act of warD. Peace versus the enemy's aggressionO Do you agree with Alexander that the War on Drugs is in effect a racist system that designed to keep Black people and POC in a caste system? Explain. what are key inhibitors to implementing tqm successfully? multiple select question. the failure to provide evidence supporting previous improvement activities the adoption of a system to track the results of the tqm program the emergence of a champion who takes responsibility for leading the implementation the inability to develop a culture of quality (WILL GIVE BRAINLIEST)Edgar measures the temperature of a solution at the beginning of an experiment to be 23F. He monitors the temperature of the solution every minute for 10 minutes. He records the change in temperature from his previous reading. His data show a decrease of 2F four times, a decrease of 3F three times, no temperature change two times, and an increase of 6F once.(a) Write an expression that represents the average change in temperature each minute.(b) Edgar repeats the experiment and finds the average change in temperature each minute is greater in the second trial than in the first trial. What is the average change in temperature each minute in the second trial of the experiment? Show your work.Answer: What is the y-intercept of the line shown below? Enter your answer as acoordinate pair What is a semantic network? How does this relate to spreading activation and priming? a(n) summarizes an organization's financial results (revenues and expenses) over a specified period of time, such as a quarter or a year. multiple choice question. audit income statement stockholder's report balance sheet a sealed vessel contains 50% oxygen, 10% carbon dioxide, and 40% nitrogen gas. the total pressure of the mixture is 5 atmospheres. what is the partial pressure of carbon dioxide? crossword puzzle: Down1. The area of the diencephalon that controls ourcircadian rhythym.2. This regions stores memories associated with odors.3. Sensory filtration is its function.5. The deep groove separating the right and left cerebralhemispheres.6. The area of the axon that is not covered by aneurolemmacyte.7. A tissue lining the ventricles that makes CSF.8. The region of your parietal lobe that receives allinformation about your sense of touch.9. The structure that connects the pituitary gland to thehypothalamus.10. The term used to describe areas of the brain thatcontain myelin.11. Synonym for Schwann cell.12. The area of the brain that controls hunger and thirst.13. The major brain region that contains thehypothalamus and thalamus.14. The white matter of the cerebellum17. This region of the brain is vital in complex physicalmovements like riding a bike and writing.18. Areolar connective tissue that touches the exposedsurface of the brain.20. This lobe is important in processing your sense of equilibrium and smell.Across2. This region controls respiration, blood pressure andheart rate.4. The largest brain region controlling all somaticfunctions.8. This structure's functions include regulation ofrespiration and detection of sound location.15. This lobe is important in processing your sense oftouch.16. Two bumps that allow smooth control of muscles tofollow the sight of a moving object19. Parts of the nervous system that control glands andmuscles are described by this adjective.21. A small channel connecting the third and fourthventricles.22. This lobe is responsible for processing vision.23. The most superficial meninx.24. This lobe houses your personality and somatic motor nervous system which radian measure is equivalent to 300? 5/3 11pi/6 5pi/6 5pi/3 which of the following examples is not part of the five-year national sport promotion plan in south korea? question 12 options: to increase international cooperative efforts to improve the quality of life to solidify the sport administration system to increase the number of medals won in the olympic games or other international competitions In a survey conducted by a website, employers were asked if they had ever sent an employee home because they were dressed inappropriately. A total of 2765 employers responded to the survey, with 964 saying that they had sent an employee home for inappropriate attire. In a press release, the website makes the claim that more than one-third of employers have sent an employee home to change clothes.A button hyperlink to the SALT program that reads: Use SALT.Do the sample data provide convincing evidence in support of this claim? Test the relevant hypotheses using = 0.05. For purposes of this exercise, assume that it is reasonable to regard the sample as representative of employers in the United States. (Round your test statistic to two decimal places and your P-value to four decimal places.)z = P-value = What is the name of the person that is on track to become the first us astronaut to spend a full year in space?