As filtrate moves down the loop of henle, the surrounding interstitial fluid becomes _____ concentrated than the filtrate, so _____ leaves the filtrate.

Answers

Answer 1

As filtrate moves down the loop of Henle, the surrounding interstitial fluid becomes more concentrated than the filtrate, so water leaves the filtrate.


Related Questions

Calculate the molar concentration of the acid if 50.6 ml of hydrochloric acid was required to neutralize 45.0 ml of 0.345 m aluminium hydroxide. be sure to use a balanced equation.

Answers

The molar concentration of the acid, HCl required for the reaction is 0.614 M

We'll begin by writing the balanced equation for the reaction. This is given below:

2HCl + Ca(OH)₂ —> CaCl₂ + 2H₂O

The mole ratio of the acid, HCl (nA) = 2

The mole ratio of the base, Ca(OH)₂ (nB) = 1

From the question given above, the following data were obtained:

Volume of acid, HCl (Va) = 50.6 mL

Volume of base, Ca(OH)₂ (Vb) = 45 mL

Molarity of base, Ca(OH)₂ (Mb) = 0.345 M

Molarity of acid, HCl (Ma) =?

MaVa / MbVb = nA/nB

(Ma × 50.6) / (0.345 × 45) = 2

(Ma × 50.6) / 15.525 = 2

Cross multiply

Ma × 50.6 = 15.525 × 2

Ma × 50.6 = 31.05

Divide both side by 50.6

Ma = 31.05 / 50.6

Ma = 0.614 M

Therefore, the molar concentration of the acid, HCl is 0.614 M

What is Molar Concentration?

Molar concentration, also known as molarity, is most commonly expressed in moles of solute per litre of solution. It is defined in broader applications as the amount of solute substance per unit volume of solution or per unit volume available to the species, represented by lowercase letters.

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As a whole, plants tend to release more oxygen than carbon dioxide into the environment, but the ratios of gases differ at various times of the day. plants tend to take in more carbon dioxide during the day and release more oxygen. at night, they tend to take in more oxygen and excrete more carbon dioxide. how does the model support this phenomenon?

Answers

During the day, due to the existence of sunlight, the procedure of photosynthesis elevations over that of respiration. Photosynthesis uses carbon dioxide to produce carbohydrates removing oxygen as a byproduct. During the night, because there is no sunlight, the rate of photosynthesis decreases. This, therefore, drives the rate of respiration to surpass the speed of photosynthesis. In respiration, oxygen is consumed and carbon dioxide is dismissed.

What is photosynthesis?Photosynthesis is the process by which manufacturers use sunlight, water, and carbon dioxide to produce oxygen and energy in the form of sugar.The primary position of photosynthesis is to transform solar energy into chemical energy and then reserve that chemical energy for prospective use. For the most part, the planet's living designs are powered by this process.An illustration of photosynthesis is how plants convert sugar and significance from water, air, and sunlight into energy to grow. Description of photosynthesis is the procedure through which plants use water and carbon dioxide to assemble their food, grow and remove excess oxygen into the air.

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The activation of the serine/threonine protein kinase akt requires phosphoinositide 3-kinase (pi 3-kinase) to:______.

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The activation of the serine/threonine protein kinase akt requires phosphoinositide 3-kinase (pi 3-kinase) to create phosphorylated lipids that serve as docking sites that localize Akt to the plasma membrane.

Ak strain changing is the meaning of the word Akt. The term "Akt" first appeared in 1928, when J. Furth conducted research on mice that spontaneously generated thymic lymphomas.

An essential enzyme in the signaling pathway that controls how cells react to insulin as well as other growth stimuli is called phosphoinositide 3-kinase (PI3K). To create phosphatidyl-inositol-3,4,5-trisphosphate (PIP3) at the plasma membrane, one such enzyme phosphorylates phosphatidylinositol-4,5-bisphosphate in the third carbon in the molecule.

Therefore, The activation of the serine/threonine protein kinase akt requires phosphoinositide 3-kinase (pi 3-kinase) to create phosphorylated lipids that serve as docking sites that localize Akt to the plasma membrane.

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A body was found lying face up in a residence. The body had 4 incised wounds on the trunk centered in the area around the heart and center of the abdomen. The wounds were all about 1.2 inches wide and varied in depth from 4 inches to 6.5 inches. The temperature in the residence was found to be 70° F by both a thermometer and the thermostat setting. The body temperature was measured to be 70°. No rigor mortis was noted in the body. Livor mortis was found on the back and remained dark when pressed. A wound measuring 3 inches by 0.5 inches was found next to a yellow bruise on the eyebrow bone area. Tissue bridges were found in 2 areas of this wound.

Answers

Cool what’s the question

A piston-cylinder device contains helium gas, during a reversible, isothermal process the entropy of the helium will __________ increase.

Answers

A piston-cylinder device contains helium gas, during a reversible, isothermal process the entropy of the helium will sometimes increase.

As entropy of an ideal gas depends on pressure and temperature . Hence , entropy change during isothermal process if pressure changes . Enropy changes whenever there is a transfer of heat . The change in entropy is the heat added divided by the temperature at which the transfer took place .

A piston-cylinder is a moving device that is made tight by the piston rings. It moves inside in a cylinder in the form of liquid and later expands and then contracts.

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An element with the general electron configuration for its outermost electrons of ns2np1 would be in which element group?

Answers

Electron configuration is the electron distribution in the molecular and atomic orbital. An element with configuration ns²np¹ will be in the 3A group. Thus, option B is correct.

What is electronic configuration?

The electronic configuration has been the arrangement and distribution of the sub-atomic particle, an electron in the atomic shells.

The electronic configuration given is, ns²np¹. Here, there are three valence electrons in the outermost orbit. As it has been known that the number of the valence electron gives the number of the group.

Therefore, option B. 3A group or 13 group is the correct option.

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Your question is incomplete, but most probably your full question was, An element with the general electron configuration for its outermost electrons of ns2np1 would be in which group?

a. 2a

b. 3a

c. 4a

d. 5a

e. 8a

What is the molar solubility of CAF2in pure water at 25°c?

Answers

Answer:

1.7x10g per 100cc

Explanation:

The solubility product of Caf, at 25 °C is about X x 10-11 mol/L.

Describe how the pH of anti-acid powder can be determined
Describe how solid ammonium chloride can be separated from a mixture of ammonium chloride and anhydrous calcium chloride
please help it's agent​

Answers

There exist ways in separating mixtures of chloride salts such as that sodium chloride and ammonium chloride. It can be accomplished by crystallization, filtration, or sublimation.

What is pH of Anti-acid powder?

An antacid exists as a substance that neutralizes stomach acidity and stands habituated to relieve heartburn, indigestion, or an upset stomach.

Antacids increase the pH of the stomach contents toward neutrality. An antacid that increases the pH from 1.5 to 3.5 produces a 100-fold decrease in the concentration of gastric acid. Furthermore, the reduction of acidity exists escorted by inhibition of pepsin activity, another essential component of the digestive juice.

There exist ways in separating mixtures of chloride salts such as that sodium chloride and ammonium chloride. It can be accomplished by crystallization, filtration, or sublimation. The easiest approach among the three exists separation by sublimation.

Ammonium chloride sublimes upon heating. The sublimation exists as a decomposition of ammonium chloride forming ammonia and hydrogen chloride.

Sodium chloride on the other hand doesn't sublime and includes a more increased melting point than ammonium chloride. If we want to divide the mixture, we have to heat it to 330-350 degrees Celsius and manage the gas that will be produced.

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PLEASE HELP , what is the concentration of Br, molecules in a solution containing 1.6g of bromine in 250cm of solution

Answers

The concentration of the bromine solution, given the data is 0.04 M

What is molarity?

Molarity is defined as the mole of solute per unit litre of solution. Mathematically, it can be expressed as:

Molarity = mole / Volume

How to determine the mole of bromine molecule (B₂)Mass of B₂ = 1.6 gMolar mass of bromine molecule (B₂) = 80 × 2 = 160 g/molMole of bromine molecule (B₂) = ?

Mole = mass / molar mass

Mole of bromine molecule (B₂) = 1.6 / 160

Mole of bromine molecule (B₂) = 0.01 mole

How to determine the molarity of the bromine solutionMole of bromine molecule (B₂) = 0.01 moleVolume of solution = 250 cm³ = 250 / 1000 = 0.25 LMolarity bromine solution =?

Molarity = mole / Volume

Molarity bromine solution = 0.01 / 0.25

Molarity bromine solution = 0.04 M

Thus, molarity of the bromine solution is 0.04 M

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Which salt gives the most basic 0. 1 m solution in water?
a. nacl
b. nano2
c. nh4cl
d. nh4no2

Answers

The salt gives the most basic 0. 1 m solution in water is  NaNo₂.

What is the base?

Basic solutions are those solutions in which the concentration of OH- ion will always be greater as compared to the concentration of H+ ion in the solution.

If the solution is basic so after the dissociation, the formation of a strong base and a weak acid is a must in the solution.

NaNo₂ gets dissociated in water in the form of NaOH and HNO₂ and  NaOH is a strong base whereas HNO₂ is a weak acid due to which the solution becomes acidic.

Therefore, salt gives the most basic 0. 1 m solution in water NaNo₂.

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Mike dissolves equal amounts of potassium chloride (KCl) and table sugar (C12H22O11) in the same container of water.

After both substances fully dissolve, what atoms or molecules remain in the water?


A. molecules of KCl and individual atoms of C, H, and molecules of KCl and individual atoms of C, H, and O , ,


B. individual atoms of K and Cl and molecules of C12 H22 O11 individual atoms of K and Cl and molecules of C12, H22, O11, , ,


C. molecules of KCl and C6 H12 O6 molecules of KCl and C6, H 12, O6, , ,


D. individual atoms of K, Cl, C, H, and O

Answers

Molecules of KCl and C6 H12 O6 molecules of KCl and C6, H 12, O6, will be present on dissolving equal amount of potassium chloride (KCl) and table sugar (C12H22O11) in the same container of water.

Dissolving the sugar within the water makes a homogenous aggregate and once dissolved an answer is made by the combination of a solute (sugar) and solvent. If a solute is a strong or liquid, growing the temperature will increase its solubility. as an example, greater sugar can dissolve in warm water than in cold water. If a solute is a gasoline, increasing the temperature decreases its solubility.

The solvent is the substance which commonly determines the physical state of the solution (stable, liquid or gas). The solute is the substance which is dissolved by means of the solvent. as an example, in an answer of salt and water, water is the solvent and salt is the solute.A supersaturated solution is an answer that contains greater than the maximum quantity of dissolved solute than a saturated solution below the identical conditions.

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Which of the following factors would reduce the yield of a reaction?
A. The reaction produces a large quantity of heat.
B. The products are more stable than the reactants.
C. The reaction may be reversible.
D. The reaction occurs very quickly.

Answers

The products being more stable than the reactants is the factor which would reduce the yield of a reaction and is denoted as option B under standard conditions.

What is a Chemical reaction?

This is the process in which one or more substances which are referred to as reactants are converted into new substances which we call the products.

A chemical reaction involves atoms exhibiting different bond formation so as to ensure they acquire an octet configuration and promotes proper stability of the products.

When the products are more stable than the reactants it means it is unable to form other products thereby decreasing the yield which is why it was chosen as the most appropriate choice.

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Atoms and molecules are way too small to be seen even with a microscope so how can we count how many there are?

Answers

Atoms and molecules are way too small to be seen even with a microscope so it can be counted by mass.

According to the context, the term actually may or may not encompass ions that meet this requirement. A molecule would be a collection of more than two atoms held together through attractive forces described as chemical bonds.

Atoms are incredibly tiny, with a diameter of around 1 x [tex]10^{-10}[/tex] meters. They can't be seen with a light microscope due to their small size. The composition of atoms can be observed and studied using a variety of ways, even if a light microscope might not be able to see one atom.

Therefore, atoms and molecules are way too small to be seen even with a microscope so it can be counted by mass.

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Dentify the reagents used to carry out the chlorination of benzene. a. cl2/ccl4 b. cl2/fecl3 c. cl2/nacl d. both b and c e. a, b and c

Answers

The reagents which are used to carry out the chlorination of benzene are   cl2/fecl3 and cl2/nacl

Chlorination is the process of disinfecting drinking water by introducing chlorine to eradicate viruses, germs, and parasites. To get drinking water with safe levels of chlorine, various techniques can be utilized. Chlorination is the technique of disinfecting and eradicating bacteria from drinking water by adding chlorine to it.

To get drinking water with safe levels of chlorine, various techniques can be utilized. Chlorine can be found as solid calcium hypochlorite (Ca(OCl)2), sodium hypochlorite solution (NaOCl), or compressed elemental gas. Chlorine is added to water as part of the chlorination process, however the chlorinating substance need not be pure chlorine.

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500. ml of a solution containing 1. 5 m nh4cl(aq) is mixed with 500. ml of a solution containing 0. 50m of naoh(aq). what is the ph of the final solution? (kb(nh3) = 1. 8 x 10-5)

Answers

The pH of the solution is determined by the hydrogen ion concentration. The pH of the solution with 1.5 M NH4Cl and 0.50 M NaOH is 8.77.

What is pH?

The potential of the hydrogen ion in the given solution is called pH which determines the acidity and basicity of the solution.

Given

The molar concentration of 500 mL NH4Cl = 1.5 M

The molar concentration of 500 mL NaOH= 0.50 M

Kb (NH3) = 1.8 × 10 -5

First pOH is calculated as,

pOH = pKB + log [NH4Cl][NaOH]

= - log 1.8 × 10-5 + log [1.5][0.50]

= - log 1.8 × 10-5 + log [3]

= 4.744 + 0.477

= 5.221

Now, pH is calculated from pOH as,

pH + pOH = 14

pH = 14 – pOH

= 14 – 5.221

= 8.77

Thus we found that, 8.77 is the pH of the solution with 1.5 M NH4Cl and 0.50 M NaOH.

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A sample of gas occupies 75.5 mL at -14.2°C. What volume does the sample occupy at 146.7 °C?

Answers

Well you would use Charles V1/T1 = V2/T2. Look at the picture for more explanation

What is the molecular formula of the smallest neutral compound of nitrogen and hydrogen?

Answers

N3H is the correct answer.

N3H is the molecular formula of the smallest neutral compound of nitrogen and hydrogen.

What is a molecular formula?

an expression that lists the quantity and kind of atoms that make up a substance's molecules.

How can you determine a compound's molecular formula?Subtract the empirical formula for molar mass from the molar mass of the chemical. The outcome ought to be a full number or extremely close to one. Using the entire number discovered in step 2, multiply each subscript in the empirical formula by that number. The molecular formula is the outcome.

Empirical and molecular formula: what are they?The simplest whole-number ratio of the various atoms in a compound is represented by an empirical formula. The precise number of various atom types present in a compound's molecule is indicated by the molecular formula.

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Consider the following balanced equation: 4ZnS + 6O2 Image 4ZnO + 4SO2
Determine the number of moles of zinc oxide produced when 2.5 mol of zinc sulfide is combined with excess O2.
???

Answers

Answer:

2.5 moles ZnO

Explanation:

To find the amount of moles, you need to use a mole-to-mole ratio between ZnS and ZnO. The mole-to-mole is made up of the coefficients in the balanced equation.

4 ZnS + 6 O₂ -----> 4 ZnO + 4 SO₂

2.5 moles ZnS         4 moles ZnO
-----------------------  x  -----------------------  = 2.5 moles ZnO
                                  4 moles ZnS

**While the chemical equation is technically balanced, it does not exist in the smallest mole ratio as possible. Each coefficient can be divided by 2.**

2 ZnS + 3 O₂ -----> 2 ZnO + 2 SO₂

Identify atleast 2 limitations of the simulation. how do these limitations influence the simulation

Answers

It is crucial for the researcher to be aware of various restrictions when utilising simulations. This is due to the simulations' non-exact behaviour, the lack of crucial analysis-relevant features, and the lack of approximations of what actually occurs with what they are simulating.  When modeling the synthesis of Ammonia, for example, these limitations can cause inaccuracies that will compromise the entire analysis.

Which method is used for synthesis of ammonia?

The Haber-Bosch process

The dominant ammonia production process is the Haber-Bosch process invented in 1904 which requires high temperature (~500°C) and high pressure (150–300 bar), in addition to efficient catalysts3,4. Natural gas or coal is used as the energy source of the ammonia industry.

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How many grams of nitrogen gas are formed when 18. 1 g of ammonia is reacted with 90. 4 g of copper(ii) oxide?

Answers

10.55 grams of nitrogen gas are formed when 18. 1 g of ammonia is reacted with 90. 4 g of copper(ii) oxide.

What is stoichiometric law?

The laws which deals with the composition of substance by mass or his volume are called the laws of stoichiometry.

The laws of stoichiometry are:

  Law of conservation of mass   Law of definite/constant proportion   Law of multiple proportion   Law of reciprocal proportions   Law of gaseous volume

Reaction:

3CuO + 2NH₃ → N₂ + 3 Cu + 3 H₂O

n(CuO) = m(CuO) / 64 + 16 = 90.4 / 80 = 1.13 mol   (molar mass of CuO = 90.4)

n(NH₃) = m(NH₃) / 14+3 = 18.1 / 17= 1.065mol   (molar mass of NH₃ = 18)

For 1.065 mol of NH3 undergoing the reaction, 3/2  times larger amount of CuO is needed.

CuO is 1.6 mol but it's only 1.13 of it so CuO is a limiting reactant, we must count stoichiometry by amount of this reactant.

n(CuO) = 1.13 mol,

n(N₂) = n(CuO) / 3 = 1.13 / 3 = 0.376 mol

m(N₂) = 0.376 x 28 = 10.55 grams

10.55 grams of nitrogen gas are formed when 18. 1 g of ammonia is reacted with 90. 4 g of copper(ii) oxide.

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Which valid empercal formula below would have one. Five times as much oxygen as there is gold in the substance

Answers

Answer:

Au2O3

Explanation:

See attachment.

Calculate how many moles of nh3 form when each quantity of reactant completely reacts?

Answers

3.6 moles [tex]NH_{3}[/tex] required when each quantity of reactant completely reacts.

The ratio of the mole quantities of any two compounds present in a balanced chemical reaction is known as the mole ratio. A reaction's product yield can be predicted using mole ratios, as can the amount of reactant required to produce a specific amount of result.

The balanced chemical equation is :

[tex]3N_{2} H_{4}[/tex](l) → [tex]4NH_{3}[/tex](g) + [tex]N_{2}[/tex](g)

Given is = 2.6 mol [tex]N_{2} H_{4}[/tex]

As we see, 3 moles of [tex]N_{2} H_{4}[/tex] reacts with  4 moles of [tex]NH_{3}[/tex].

Therefore,

n( [tex]NH_{3}[/tex]) = n(  [tex]N_{2} H_{4}[/tex] ) × [tex]\frac{4}{3}[/tex]

n( [tex]NH_{3}[/tex]) = [tex]2.6mol^{*} \frac{4mol}{3mol}[/tex]

n( [tex]NH_{3}[/tex]) = 3.6 moles.

Therefores, 3.6 moles [tex]NH_{3}[/tex] required when each quantity of reactant completely reacts.

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What is the molar concentration of potassium ions in a 0. 250 m k2so4(aq) solution?

Answers

The molar concentration of potassium ions in a  0. 250 m K₂SO₄(aq) solution is 2.

What is molar concentration?

The molar concentration of a solution is the presence of solute in one unit of a solution.

Molar concentration = number of moles / volume

The volume is given 0.250 m

To calculate the number of moles:

There will be 2 moles of potassium and  1 mole of sulfate in one L of the solution.

So in 0.250 L

0.250 x 2 x 1 = 0.500

The total number of moles of potassium and sulfate ion are 0.500

Now, putting the value:

Molar concentration = number of moles / volume

0.500 / 0.250 = 2

Thus, the molar concentration is 2.

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What term refers to the addition (insertion) or removal (deletion) of one or more coding sequence letters (nucleic acids)?

Answers

Frameshift mutation refers to the addition (insertion) or removal (deletion) of one or more coding sequence letters (nucleic acids).

What is frameshift mutation?

The insertion or deletion of nucleotide bases in amounts that are not multiples of three is referred to as a frameshift mutation in a gene. This is significant because a cell reads the genetic code for proteins in groups of three nucleotides. These so-called "triplet codons" each stand for one of the 20 different amino acids that go into making a protein.

The entire gene sequence after the mutation will be misread if a mutation alters this regular reading frame. This may lead to the incorrect amino acids being added to the protein or the development of a codon that prevents the protein from getting longer.

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This formula equation is unbalanced. pb(no3)2(aq) li2so4(aq) right arrow. pbso4(s) lino3(aq) which coefficient should appear in front of lino3 in the balanced equation?

Answers

The coefficient 2 should appear in front of [tex]LiNO_{3}[/tex] in the balanced equation

   

The chemical equation in which number of atoms in reactant side is equal to the number of atom in product side is called balanced chemical equation. The example of balanced equation is given as,

[tex]Pb(NO_{3} )_{2} (aq) + Li_{2} SO_{4} (aq)[/tex] →  [tex]2Li(NO_{3} ) (aq) + Pb SO_{4} (aq)[/tex]

In the above equation, 2 is appear in front of [tex]LiNO_{3}[/tex] in the balanced equation which is known as the coefficient.

The symbolic representation of the chemical reaction is called chemical equation.

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Answer: 2

Explanation:

An organic compound was analyzed and found to contain 70. 6% carbon, 5. 9% hydrogen, and 23. 5% oxygen by mass. Additionally, the molar mass of the compound was experimentally determined to be 136 g/mole. What is the molecular formula for the compound? how many grams of mgcl 2 would be required to prepare 250 ml of a 0. 8 m solution of that solute in water? please report your answer to two digits after the decimal place.

Answers

The correct answer is  C8H8O2.

What is organic compound?Organic combinations are a substance that contains covalently- bonded carbon and hydrogen and often with other ingredients. Organic compounds examples are benzoic Acid, aromatic mixtures, benzoic aldehyde, propanoic acid, butanoic acid, malonic acid, amines, heterocyclic compounds, VOC, benzoic acid, and diethyl malonate.organic compound, any of a large class of chemical combinations in which one or more atoms of carbon are covalently linked to atoms of other elements, most generally hydrogen, oxygen, or nitrogen. The few carbon-containing combinations not categorized as organic comprise carbides, carbonates, and cyanides.Organic compounds important to human functioning include carbohydrates, lipids, proteins, and nucleotides. These mixtures are said to be organic because they include both carbon and hydrogen.

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One metal object is a cube with edges 3.00 cm and a mass of 140.4 g. a second is a sphere with a radius of 1.42 cm and a mass of 61.6 g. are these objects made of the same metal?

Answers

Yes, the objects made of the same metal.

The volume of the first object, which is a cube, is equal to the edge length cubed.

This volume is converted to mL as follows:

V1 = [tex](3 cm)^{3}[/tex] = 27 [tex]cm^{3}[/tex] = 27 mL

Based on its given mass, the density will be:

d1 = m1/V1

   = 140.4g/ 27.0 mL

   = 5.20g/mL

The following thing is a sphere. We calculate the volume of a sphere using the following formula, with the result expressed in  mL:

V1 = 4/3 *[tex]\pi[/tex]* [tex](1.42)^{2}[/tex]

= 12 [tex]cm^{3}[/tex]

= 12 mL

The density based on the following mass will be 

d2= m2/V2

= 61.6 g/12.0 mL

= 5.14 g/mL

These two computed densities are separated by about 1%. We can determine that these objects are made of the same metal based on the precision of +/- 1% provided.

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What volume (to the nearest 0. 1 ml) of 4. 70-m naoh must be added to 0. 700 l of 0. 250-m hno2 to prepare a ph = 3. 20 buffer?

Answers

log1.429V=3.20  volume (to the nearest 0. 1 ml) of 4. 70-m NaOH must be added to 0. 700 l of 0. 250-m HNO2 to prepare a ph = 3. 20 buffer

Solution ;

pH= pKa +log {[ NaOH ] / [ HNO2 ]​}

3.20=3.80+log{(V×4.70)/ ( 0.700×0.250)}

3.20=log1.429V

Volume will be 3.20=log1.429V

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A 200. 0-ng sample of sodium-24 was stored in a lead-lined cabinet for 45 hours. The half-life of sodium-24 is 15 hours. How much sodium-24 remains?

Answers

Answer:

25 gm would be left

Explanation:

45 hours is 3 half lives

200 gm  * 1/2 * 1/2 * 1/2 = 25 gm

According to the concept of half life , as 45 hours are equal to three half- lives after 3 half-lives 25 g of sodium-24 remains.

What is half-life?

Half -life of a substance is defined as the time which is required for half of the quantity of a radioactive substance to get decayed.It is a term which is used in nuclear chemistry for describing how quickly unstable atoms undergo radioactive decay into other nuclear species by emitting particles or the time which is required for number of disintegrations per second of radioactive material to decrease by one half of its initial value.

In the given problem time is=45 hours and as 1 half  life=15 hours , for 45 hours=45/15=3 half lives .

Amount of sodium-24 after 3 half lives= 200×1/2×1/2×1/2=25 grams.

Therefore, after 45 hours 25 g of sodium-24 remains.

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Consider the hypothetical atom x. if the molecular formula for calcium nitrate is ca(no3)2 and the formula of x chloride is xcl2. what is the molecular formula for x nitrate

Answers

X(N03)2

Given: Consider a hypothetical atom x

molecular formula of calcium nitrate = Ca(NO3)2

formula of x chloride is xcl2

molecular formula for x nitrate = ?

we are first putting calcium with chlorideon checking calcium on the periodic table we observe it in group 2so calcium has two plus chargewhereas chloride being a halogen it is observed in group 7it forms ion with one negative charge which would become CaCl2so if we have Ca(NO3)2 and see a Cl2 with our hypothetical atom x , if the formula of x with chloride as XCl2 then formula with the nitrate is going to be xthis will be similar to calcium because calcium is just like it when we look at calcium with chloridehence when x goes with nitrate it is going to look just like the formula for calcium nitratethis gives us the final answer to be X(NO3)2

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