QUESTION 6 The temperature of 5 moles of a diatomic ideal gas is tripled at constant pressure. Calculate the entropy change of the gas. For diatomic gas, Cv.m 5R/2 O+159 8 J/K Ⓒ-159.8 J/K +31.9 J/K O-31.8 JK

Q: A dictionary definition of homogeneous is “uniform in composition throughout.” River water is a…

A: A dictionary definition of homogeneous is “uniform in composition throughout.” River water is a…

Q: C0rencal yielu Uf pieciptate! (f) Students performing this experiment suggested the following…

A: the ions might as well get separated during thus procedure, the precipitate might become soluble and…

Q: A 2.0 g of MgCO, was dissolved and diluted to exactly 500-mL volumetric flask. If 50-mL aliquot was…

A: The mass of magnesium carbonate present in 500 mL solution is = 2.0 g The mass of magnesium…

Q: Q. 1. Differentiate between the following with suitable examples.... (M Chemistry and Analytical…

A: Chemistry is a fascinating and diverse field that plays an important role in understanding…

Q: 12. Calculate the number of millimoles contained in 500 mg of each of the following substances: (a)…

A: Generally for moles we can use the following formula Moles=In the case of milli moles we use mass of…

Q: 7) A chemist prepares a solution of potassium permanganate (KMnO4) by measuring out 10.4 g of…

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Q: Ammonium perchlorate (NH,CIO) is the sold rocket fuel that was used by the U.S. Space Shuttle and is…

A: The given mass of ammonium perchlorate = 5.7 gThe mass of oxygen produced = ?

Q: cholarships [Review Topics] (References] Use the References to access important values if needed for…

A: Given solubility of Ca(OH)2 is 0.947 g/L and solubility of Ag2S is 7.40×10-15 g/L. Molar mass of…

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Q: The molarity of a glucose solution obtained by adding 20.0 mL of water to 2.00 mL glucose solution…

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Q: If the concentration of A1³+ in solution is 0.10 M, the concentration of the sulfide ion must be…

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Q: Convert 6.45 x 106 to units of ng μL

A: We have to convert the following unit to gm/mL

Q: Please don't provide handwritten solution ....

A: The balanced chemical equation for the reaction is:2H₂S(g) + 3 O₂(g) →2 H₂O(l) + 2 SO₂(g) According…

Q: Bleach is 6.00% NaClO by weight and the density of bleach is 1.07 g/mL. How many grams of NaClO is…

A: Given,volume of bleach = 49 mL density of bleach = 1.07 g/mL We know, density = mass / volume =>…

Q: Write the balanced equation representing the reaction between solid copper and nitric acid to yield…

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Q: The solvent in KOH solution is ………………………   a. Water b. H c. OH d.   KOH

A: KOH solution is prepared by adding by adding KOH pellets in water. Thus, the solvent in KOH solution…

Q: What is the molar concentration of a lidocaine solution prepared by diluting 10. mL of a 2.0 M…

A: · Volume of lidocaine stock solution = 10 mL· Molarity of lidocaine stock solution = 2.0 M Diluting…

Q: Very concisely, give the general definition of terms concentration and chemical standards.

A: •CONCENTRATION and CHEMICAL STANDARD these term are used together in titration chemistry.…

Q: Diagrams of solution conductivity versus the total volume of three solutions are shown (VINITIAL =…

A: The theory of conductometric titration is based on the fact that one of the ions is replaced by the…

Q: 34.) 1.68 L of an aqueous solution containing 25.00 g of KCI dissolved in pure water is prepared.…

A: Given, mass of KCl = 25.00 g Molarity of KCl solution = ? Volume of the solution = 1.68 L Note:…

Q: (d) sodium cnionae is an ionic compound.  ltcontains sodium ions, Na+ and chloride ions, CI- When…

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Q: A solution contains 2.70 g of solute in 10.9 g of solvent. What is the mass percent of the solute in…

A: The formula to calculate the mass percent of solute in the solution is :=> mass percent of solute…

Q: What does it mean when we say that a substance is soluble inanother substance?

A: A solution is made by dissolving one substance (solute) into another substance (solvent). In the…

Q: What initial volume of a 24.00 M solution must have been present in order to allow for a 0.1000…

A: As we know , Moles the solute remains same on dilution but volume of the solution increases.…

Q: Please don't provide handwritten solution...

A: Answer: B 9 mg/LExplanation:To find the critical dissolved oxygen (DO) concentration in the river,…

Q: Weigh accurately 4.0 g of sodium chloride  into a 250cm3 volumetric flask. Using a wash bottle add…

A: 1.Calculate the number of moles of sodium chloride present in:   (i) 4.0 g  Moles of NaCl =  mass in…

Q: A 7.98 molar solution is prepared.  How many moles of solute would be in 797.1 mL of the solution?…

A: Molarity is defined as no of moles of solute devided by volume of solution in liter.

Q: A chemist must prepare 100. ml. of 1.00 M aqueous barium acetate (Ba(C,H,O.),) working solution.…

A: Here we are required to find the volume of barium acetate solution needed to prepare 100 ml of 1M of…

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Q: Determine the mass in grams of 6.63x10^21. The mass of one mole of zinc is 65.39 g

A: Number of zinc (zn) atoms = 6.63 × 1021 atomsSince, the mass of 1 mol of Zn is 65.39 g that means…

Q: ...Any substance that is not a mixture is A pure mixture A colloid A suspension A pure substance

A: We know that mixture is a physical combination of two or more different substances. The…

Q: At a particular temperature, suppose that 24.4 g solute is added to 50.0 g water and, after mixing,…

A: At a particular temperature,Mass of Solute Added =24.4 gMass of Solute Undissolved= 0.3 gMass of…

Q: A pure dilute solution of sodium in liquid ammonia exibits electrical conductivity . Why?

A: Electrical conductivity is due to the motion of electron. Ionic substances dissolve in water and…

Q: The standard concentration of a CdCl2 barium chloride solution containing 562 mg / liter is…

A: Note : CdCl2 is cadmium chloride but in question Barium chloride is written .Therefore name should…

Q: The mass of K3PO4 needed to prepare 250.0mL of an aqueous solution in which PO4-3 concentration is…

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Q: A chemistry student needs to standardize a fresh solution of sodium hydroxide. She carefully weighs…

A: Given: The mass of the oxalic acid taken = 294 mg The volume of the NaOH solution taken = 140.7 mL…

Q: POST-QUESTIONS 1. After a student dissolved 0.5 g of white solid in water, she tested the…

A: The statement given by her about the experiment is correct or not is given below with explanation.

Q: 1. Preparing of oxalate solution: Mass of full cap = 20,7175, empty = 20,5490 g. Volumens of the…

A: Concept: Molarity: Molarity (M) of a solution is define a type of  concentration measurement. Which…

Q: b.)  - mass of solute = ? g  - mass of solvent = ? g - mass percent of water  =

A: