Which arrow represents an instance of potential energy being used to create a chemical bond?
a.) arrow between photosystem II and O2
b.) arrow between the sunlight and photosystem II
c.) arrow between chemiosmosis and Calvin cycle
d.) arrow between H2O and photosystem II

The volume of the second portion is 3.75 liters. To solve this problem, let x represent the volume of the second portion. We can then set up the equation

A mathematics statement that expressions are equal is known as an equation. It consists of two expressions separated by an equals sign, and the expressions on either side can be numbers, variables, or a combination of both. Equations are used to solve problems in mathematics, science and engineering, and are fundamental to the study of these disciplines. Equations can be used to describe relationships between different elements of a system, such as the force of gravity on a falling object or the momentum of a moving object. Solving equations involves manipulating the equation to find the values of the unknown variables, and this process is called solving the equation.

4x = 15.0
Solving for x, we get:
x = 15.0 / 4
x = 3.75
Therefore, the volume of the second portion is 3.75 liters.

To learn more about equation
https://brainly.com/question/28818351
#SPJ4

Answers:

Explanation:

Answer:

Liquid; melting.

Explanation:

So what is being shown is a phase change diagram. Because we start at an atm of 1.5 (staying steady means that it doesn't drop so we always stay at 1.5 atm) and at a temperature of -150, the original state of matter is a solid. Next, we look at what happens when the temperature goes to 300 degrees, yet still maintaining the 1.5 atm. This means that it now turns into a liquid (based on placement on diagram). This means the matter after the temperature change was a liquid. And going from solid to liquid would be called melting.

Here's an example phase diagram so that you can rely on it in the future problems!

Starting with one molecule of isocitrate and ending with fumarate the maximum number of ATP molecules that could be made through substrate-level phosphorylation is one

Cells primarily employ adenosine triphosphate, or ATP, as their source of energy. It can be broken down to liberate the energy held in its phosphate bonds, which have a lot of energy. In the first stage of the citric acid cycle, isocitrate is changed into alpha-ketoglutarate, which causes substrate-level phosphorylation to produce one molecule of NADH.

The remaining phases of the citric acid cycle use the NADH and FADH2 created during the cycle to make ATP through the electron transport chain rather than substrate-level phosphorylation. Therefore, one isocitrate molecule can only be converted into one ATP molecule through substrate-level phosphorylation.

Read more about ATP on:

https://brainly.com/question/14796956

#SPJ4

Figures for such simple sugars' esterification reactions with That is -5.61 kj/mol and the typical Kinetic free energy "G" reaction.

Entropy is a unit of measurement for the amount of heat that diffuses or is communicated during a chemical reaction. How is it has said Gdp energy is free? Gibbs energy is frequently referred as as inspiration and self to initiate a chemical reaction and is evaluated at constant pressure and temperature.

Gibb's spontaneous energy is often called free energy because it is always available. The reaction can acquire this energy if necessary without making any effort. To calculate the variance in Gibb's free energy, hysteresis and the system's total heat and entropy are added.

To know more about energy Visit:

https://brainly.com/question/1932868

#SPJ4

H₂ gas is collected over water in a sample. The pressure exerted by this gas is 0.97 atm.

Water displacement can be used to gather a gas created during a chemical reaction. As a result of being collected above water, the gas isn't really pure because it has been mixed with water vapor via evaporation. Dalton's law can be used to calculate how much of the desired gas is present after taking the contribution of the water vapor into account.

Then, the total pressure is given by [tex]\mathrm{P_{total}=P_{dry\;gas}+P_{water\;vapor}}[/tex]. Then, the total pressure for the given situation is written as [tex]\mathrm{P_{total}=P_{H_2}+P_{H_2O}}[/tex]. Using this formula, the pressure exerted by the hydrogen is calculated as follows,

[tex]\begin{aligned}\mathrm{P_{H_2}}&=\mathrm{P_{total}-P_{H_2O}}\\&=\mathrm{1.03\;atm-0.06\;atm}\\&=\mathrm{0.97\;atm}\end{aligned}[/tex]

The required answer is 0.97 atm.

To know more about Dalton's law:

https://brainly.com/question/14119417

#SPJ4

According to the Bohr model of the atom, the single electron of a hydrogen atom circles the nucleus in Specific, circular parts or orbits.

The Bohr model depicts electrons in fixed orbits. According to the model, electrons in atoms move in circular orbits around a nucleus in the center and are only able to orbit in a stable condition when they are in specific fixed circular orbits that are located a specific range of distances from the nucleus.

In his atomic model, he put forth the idea that an electron travels in a predetermined circular path or orbit around the nucleus, orbiting at a given energy level.

As a result of the foregoing, we can conclude that the response, According to the Bohr model of the atom, a hydrogen atom's lone electron circles the nucleus in distinct, elliptical sections or orbits, is correct.

To know more about Bohr model of atom click here

https://brainly.com/question/3964366

#SPJ4

Answer:

13.00 [tex]dm^{3}[/tex]

Explanation:

At S.T.P one mole of any gas requires 22.414 [tex]dm^{3}[/tex].

By setting up mole ratio between moles and volume;

         moles    :     volume

             1         :      22.414

            0.58    :         X

 X = 0.58 x 22.414

 X = 13.00 [tex]dm^{3}[/tex]

This shows water cannot pass through the substance because it is so saturated. Consult an imaginary chemistry guidebook when you come across a solid whose ksp value in water at 258°C is to be zero.

In chemistry, a solution may reach a state of saturation after being examined for solutions and solution characteristics. The solution is in this stage when there isn't any more room for the solute to be added. Any chemical substance that has been postulated but has not yet been found, isolated, or manufactured is considered to be hypothetical (identified or shown to exist). Some hypothetical compounds cannot form at all. This shows how water cannot pass through the substance because it is so impenetrable.

Learn more about compounds here

https://brainly.com/question/12166462

#SPJ4

The molarity is 0.112 M. if that is prepared by dissolving 2.24 grams of naoh in enough deionized water to make 500.0 ml of solution .

Molarity is mathematically defined as Molarity = Number of moles of solute Volume of solution in litre. As the number of moles  solute is measured in mol and the volume of solution will be in litre . So, the unit of molarity is mol L - 1 .

Molarity  also known as molar concentration and is represented by “M”. For example,  solution of 1M of sodium chloride dissolved in water has a molarity of 1M. A number of moles of solute can be calculated by dividing mass by the molecular weight of the solute.

To know more about molarity visit

https://brainly.com/question/8732513

#SPJ4

Yes, this evidence suggests that a chemical reaction has taken place.

When the chalk is heated, the bonds between its molecules break and it is converted into a fine powder. This suggests that a chemical reaction has occurred, as the chemical make-up of the chalk has changed.

The heat energy has provided enough energy to break the bonds between the molecules of chalk and they have formed new bonds with other molecules in the process, leading to the formation of a new substance.

The change in the chemical make-up of the chalk is a clear indication that a chemical reaction has taken place.

For more questions like Reaction click the link below:

brainly.com/question/30123250

#SPJ4

2.758 L Of liquid nitrogen are produced when gas is liquefied.

We are converting gaseous nitrogen to liquid nitrogen. Both of these substances have different densities. Therefore they will occupy different volumes . But they will have the same mass.

Step 1 : Find mass of nitrogen gas

So let us find out the mass of nitrogen gas occupied by 489 L .

The formula for density is, D = Mass / Volume

Density of nitrogen gas 4.566 g/L and the volume occupied by it is 489 L.

Let us plug in these values to find the mass of nitrogen gas.

The equation can be modified as follows.

Mass = Density × Volume

Mass = 4.566 / L × 489

Mass = 2232g

The mass of nitrogen gas is 2232 g.

Step 2 : Find the volume of a liquid nitrogen using the mass

The mass of a liquefied nitrogen is also the same.

Whereas, the density of liquid nitrogen is 809 g/L

Let us plug in this value of mass to find the volume of the liquid.

Volume = 2232 / 809g / L

Volume = 2.758 L

The volume of liquid nitrogen is 2.758 L

To know more about volume here

https://brainly.com/question/28058531

#SPJ4

The density of tetrahydrofuran needed for a chemistry student to do the experiment is 0.888 g/mL

Tetrahydrofuran has an ethereal smell and is visible as a transparent, colourless liquid. not as dense as water. 6 °F flash point Air is lighter than vapours.

Because it can dissolve different resins even at room temperature and is miscible with water and the majority of organic solvents, THF is frequently employed as a solvent for specialised resins such photosensitive resins. Additionally, it serves as a solvent for Wittig and Grignard processes.

Regardless of the sequence of introduction, if two compounds are totally soluble in one another, they are said to be miscible. Tetrahydrofuran (THF), for instance, and water mix well.

Learn more about tetrahydrofuran here:

brainly.com/question/28490343

#SPJ4

The following solutes is more soluble in: Hot Water: Sodium Nitrate, Fructose and Cold Water: Nitrogen Dioxide, Ozone, Carbon Monoxide

Solute is a substance that has been dissolved in a solution. A solution is a mixture of two or more substances, where one substance is dissolved into the other. The substance that is dissolved is called the solute, while the substance that does the dissolving is called the solvent. Common examples of solutes include sugar, salt, and acids.

Sodium nitrate and fructose both dissolve better in hot water than in cold water.
Cold Water: Nitrogen Dioxide, Ozone, Carbon Monoxide
Nitrogen dioxide, ozone, and carbon monoxide are all more soluble in cold water than in hot water.

To learn more about solutes
https://brainly.com/question/2945391
#SPJ4

Acidic end products are typically produced when bacteria digest carbohydrates. alkaline is produced as a result of the degradation of proteins and amino acids.

Which 20 necessary amino acids are there?

Histidine, valine, leucine, lysine, homocysteine, phenylalanine, threonine, tryptophan, & valine are the necessary amino acids. Alanine, asparagine, asparagine, glutamic acid, & serine are the non-essential amino acids.

What does a skin amino acid do?

All protein, including the most prevalent protein filaments in the skin, keratins, collagen, and elastin, are made up of amino acids. Skin that is chronically sun-damaged, aged, and neglected exhibits sagging and wrinkles, which are mostly attributed to the degeneration of collagen fibres.

To know more about amino acid visit:

https://brainly.com/question/15687833

#SPJ4

Answer:

1

Explanation:

significant figures means

amount of numbers AFTER a decimal

Answer:

Explanation:

there's 9

Atoms of one element will always be different from all the other elements because of their atomic number.

The atomic number is the number of protons in the nucleus of an atom. Each element has a unique atomic number, which determines the number of protons in the nucleus and, in turn, the number of electrons that orbit the nucleus. It defines the chemical properties and behavior of an element.

For example, Hydrogen has an atomic number of 1, and Helium has an atomic number of 2.

Because of this unique number of protons, the atoms of each element have unique properties and behave differently in chemical reactions.

It's worth noting that, isotopes of an element have the same atomic number, but different number of neutrons in the nucleus, this gives them the same chemical properties but different physical properties, like atomic mass.

A carbonyl group of a ketone or an aldehyde can be reduced using a variety of techniques; however, the Clemens technique is indeed the one reduction technique that would work best in an acidic environment.

A carbon atom is double-bonded to an oxygen atom to form the chemically organic functional group known as a carbonyl group ([C=O]). Aldehydes and ketones are the most basic carbonyl groups, and they are typically joined to another carbon molecule. Numerous aromatic chemicals that affect taste and smell contain these structures. In organic chemistry, a carbonyl group is a functional group having the formula C=O. It is divalent at the carbon atom and is made up of two carbon atoms double-bonded to one oxygen atom. It occurs often in many different kinds of chemical compounds and is a component of numerous larger functional groups.

Members of the "C=O" carbonyl group are carbonyl compounds, or "X-C=O" compounds. To create carboxylic acid molecules, a carbonyl group is joined to an oxygen atom on one side. Anhydrides, esters, and other derivatives belong to this class.

To know more about Carbonyl visit:

https://brainly.com/question/21440134

#SPJ4

The formulae for the reactants—the chemicals that are mixed together—are written on the left, with the symbol "+" used when more than one component is present, and the formula(s) for the product(s) are written on the right. An arrow with the symbol '--->' separates the reactants and the products. And when the chemical equation for a system in equilibrium is written then double half arrow is used.

A + B ⇌ C + D

Two half-arrowheads, one pointing in each direction. Equations that depict reversible reactions utilize it:

The reaction that moves to the right is the forward one.
The left-leaning response is the one that is backward.
The quantities of the reactants and products in the reaction mixture may
be altered by changing the reaction conditions.

To learn more about Equilibrium, click here: -

https://brainly.com/question/2009610

#SPJ4

The stated assertion implies that X has the empirical formula C₃H₅O₂ since ethane-1, 2-diol has eight drinking functional groups.

When five or more atoms come together and establish bonds with one another, a molecule is created. When two atoms link together, they share a single electron. A molecule is created as a result of a covalent connection.

Because it has molecular bonds, water is a molecule. Water is a compound as well since it contains several different types of elements (oxygen and hydrogen). You might claim that water is really a type of molecule if you want.

To know more about Molecules visit:

https://brainly.com/question/26044300

#SPJ4

A solution by dissolving 10.8g of sodium sulphate (Na2SO4) in 100.0ml of water. Then add 10.00 ml of this solution to 50.00ml of water. The concentration of Na2SO4 is 0.012M (SO4)2- and 0.024M Na+.

Given the mass of sodium sulfate (na2so4) (m) = 10.8g = 10.8 x 10^-3kg

The volume of stock solution (V) =100ml = 0.1L

the extra volume added (V') = 10ml = 0.01L

The volume of water is (V'') = 50ml = 0.05L

We know that molarity = number of moles/volume of solution

Utilizing its molar mass, we should convert the provided mass of (Na2SO4) to moles.

10.8g 0f Na2SO4 x 1mol Na2SO4/142.04 = 0.076mol Na2SO4

Calculate the molarity of the solution by multiplying this amount by 100mL solution.

molarity = 0.076/0.1 = 0.76M

A total of 60mL of this solution is created by adding 10mL of it to 50mL of water. From dilution equation M1V1 = M2V2 to find the molality of 60mL solution.

(0.076) x (0.01) = M2 x (0.06)

M2 = 0.012M

This means that there are 0.012 moles of Na2SO4 per liter of solution. As it contains 2 Na+ and 1 (SO4)2- ions the concentrations of each ion is thus calculated as: 2 x 0.012 = 0.024M Na+ and 0.012M (SO4)2-.

To learn more about molarity click here https://brainly.com/question/8732513

#SPJ4

The lowest energy sublevel is always the 1s sublevel, which consists of one orbital

Because it is less effectively insulated, a 2s electron has a larger effective nuclear charge and is retained closer to the nucleus than a 2p electron, resulting in a lower energy for the 2s orbital.

The 1s sublevel, which consists of one orbital, is always the lowest energy sublevel. When the hydrogen atom is in its ground state, its solitary electron will occupy the 1s orbital.

An s-type subshell will have the lowest energy and an f-type subshell will have the greatest energy for the same main quantum number value, thus four electrons with the same principal quantum number. The energy of the electron increases as the secondary quantum number increases.

To learn more about orbital lower to refer:

brainly.com/question/10852220

#SPJ4

100 grams of solution would contain 28.4 grams of solute, since 284,000 parts per million is equal to 28.4 grams per 100 grams of solution.

A solute is a substance that is dissolved in a solution. It can be either a solid, liquid, or gas, and it is the component of the solution that is present in the lesser amount. When a solute is dissolved in a solvent, the solute molecules interact with the solvent molecules to form a new solution with different properties than either of the two components.

To calculate the amount of solute present in the solution, we can use the formula:

Grams of solute = (Concentration of solution in ppm) x (Volume of solution in mL)/1,000,000

In this case, the concentration of the solution is 284,000 ppm and the volume of solution is 100 grams. Plugging the values into the formula, we get:

Grams of solute = (284,000 ppm) x (100 grams)/1,000,000

Grams of solute = 28.4 grams

Therefore, 100 grams of solution would contain 28.4 grams of solute.

To know more about solute click-
https://brainly.com/question/25326161
#SPJ4

The molar solubility of C2D3 is calculated to be equal to 9.67 x 10^-3 mol/L .

The solubility of a substance is measured by the number of moles of the solute that dissolve in one liter of solution, or molar solubility. The quantity of ions dissolved per liter of solution is measured by molar solubility. In this case, solubility refers to how many ions can be dissolved in a specific volume of solvent.

As, C2D3 = (2x)^2 * (3x)^3= 108 x^5

Given, solubility product constant - 9.14×10−9

SO, 9.14 x 10^-9 = 108 x^5

Now, x = 9.67 x 10^-3

Hence,  the molar solubility is 9.67 x 10^-3 mol/L.

To know more about molar solubility, refer

https://brainly.com/question/28202068

#SPJ4

An aluminium ion looses two electron to form a negative ion.

The formula of carbonate is Co₃⁻².

The term ion is define as any atom or group of atoms that have one or more positive or negative electrical charges. There are two types ion cation and anion.

One lithium atom is react with two fluorine atom to formed lithium fluoride.

Ionic bonds are stronger than covalent bond.

The charge on the barium ion is +2.

When gas turns into liquid its particle get smaller.

Lithium fluoride is a mixture because it contains more than two element.

In an atom the number of electron is equal to the number of proton.

The complete shell contains eight electrons in it.

In the periodic table, elements in the same group does not have the same electron in their outermost shell.

Thus, An aluminium ion looses two electron to form a negative ion.

The formula of carbonate is Co₃⁻².

To learn more about an ion, follow the link;

https://brainly.com/question/14982375

#SPJ1

Yes, higher the polarity and electronegativity of the nonhydrogen atom explain the trend in acid strength shown in model 3. It shows more attraction towards the H⁺ ions and lesser is the acidity.

An atom's propensity to draw electrons (or electron density) in its direction is measured by its electronegativity. It controls how the shared electrons between the two atoms in a bond are distributed. The greater an atom's electronegativity, the more strongly the electrons in its bonds are drawn to it.

The capacity of an atom in a covalent bond to draw shared electrons is known as electronegativity. The degree to which an element draws in the shared electrons is influenced by the level of its electronegativity.

To know more about electronegativity visit:

https://brainly.com/question/17762711

#SPJ4

Potato will contain  20 g of carbohydrates. If carbohydrate having a caloric value of 4 kcal/g then 80 kcal will be obtained from the carbohydrate in the potato.

Calorific value: It is termed as the total amount of heat released by the complete combustion of a specified amount of a fuel or food. A calorific value of a substance (generally, food or solid biofuel) is the specific energy of combustion for a unit mass. It is generally measured in J/g or  kcal/g.

Calorific value of carbohydrate = 4 kcal/g

The amount of carbohydrate in potato = 20 g

1 g of a carbohydrate will gives 4 kcal of energy

20 of carbohydrate will give

= 20 × 4

= 80 kcal

So, the given potato will give 80 kcal.

To know more about carbohydrate here

https://brainly.com/question/14614055

#SPJ4

Partial pressure of the gas B is 0.23 atm.

Let us note that if there is a mixture of gases that can be found in a particular vessel then we must know that each of the gases that are there would exert its own pressure on the walls of the container.

Now we know that the total number of moles that is present =

2.5 + 1.2 + 1.0 = 4.7 moles. The total pressure of the gases that we have in the system is about 0.9 atm.

We know that;

Partial pressure = Mole fraction * Total pressure

Partial pressure of B is;

1.2/4.7 * 0.9

= 0.23 atm

Learn more about partial pressure:https://brainly.com/question/13199169

#SPJ1

The alkyl halide product is insoluble in water causes the observed visual change in a positive Lucas test.

The Lucas test uses a solution of anhydrous zinc chloride in concentrated hydrochloric acid to distinguish and classify primary, secondary, and tertiary alcohols. The Lucas reagent is the name given to this mixture in most cases. A positive Lucas test results in the observed visual change because the alkyl halide product is insoluble in water. Put a tiny amount of the sample you need to analyze in a test tube. Add 2 to 3 ml of Lucas reagent to the unknown sample. After thoroughly blending, allow the solution to sit. Note the amount of time spent and note whether there is turbidity (cloudiness) present or not.

Here,

A positive Lucas test results in the observed visual change because the alkyl halide product is insoluble in water.

To know more about Lucas test,

https://brainly.com/question/18994414

#SPJ4

Considering the Combined law equation, the volume when the pressure is 0.948 atm and the temperature is 19.0 C is 14.39 mL.

From the weather to air travel, pressure plays a dramatic role in our lives. It plays especially important roles during chemical reactions. By manipulating pressure, chemists can force chemical reactions to occur and the transitions between solids, liquids, and gases to accelerate.

Pressure and force are related, which means you can calculate one if you know the other by using the physics equation: pressure = force/area. This pressure can either be documented in pounds per square inch, psi, or newtons per square meter (N/m2).

To know more about pressure visit

https://brainly.com/question/23358029

#SPJ4