Introduction to Chemistry: A Conceptual Approach 2nd. Edition by Richard C. Bauer, James P. Birk, Pamela Marks | 9780073511078 | 0073511072 | Holooly

Intro to Chemical Engineering

Introduction to Chemistry: A Conceptual Approach

217 SOLVED PROBLEMS

Question: 14.6

Balancing Oxidation-Reduction Equations Manganese metal reacts with aqueous iron(III) chloride to produce aqueous manganese(II) chloride and iron metal. Write a balanced chemical equation for this reaction. ...

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We begin by writing formulas for the reactants and...

Question: 13.2

Conjugate Acids and Bases Identify the conjugate base for each acid and explain its charge. (a) HOCl (b) H2PO4– (c) H2O ...

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(a) The conjugate base of HOCl is OCl–. It has on...

Question: 11.6

Molarity A solution contains 78.2 g NaCl dissolved in sufficient water to give a total volume of 0.525 L. The molar mass of NaCl is 58.44 g/mol. What is the molarity of this solution? ...

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In this problem we want to go from the mass of sol...

Question: 5.10

Precipitation Reactions Janelle finds a recipe for the preparation of the pigment chrome yellow. She dissolves lead(II) nitrate and potassium chromate in separate volumes of water, and then mixes the two solutions. She obtains a yellow precipitate. Identify the precipitate and write a balanced equation for the reaction she carried out. ...

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Predicting products and balancing their formulas: ...

Question: 5.9

Displacement of Metal Ions Antonio has two pieces of metal, zinc and iron. He also has two aqueous solutions, one of zinc chloride and one of iron(II) chloride. Which metal will corrode when placed in one of the solutions? Which solution? Write a balanced equation for the reaction. ...

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A metal placed in a solution containing its own io...

Question: 5.7

Combination Reactions When pure calcium metal is exposed to the oxygen in air, a white coating appears on the surface. Predict the product and write a complete, balanced equation for this reaction. ...

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When two elements react, they form a compound. Sin...

Question: 5.5

Classes of Reactions Classify each of the following as a decomposition, combination, single-displacement, or double-displacement reaction. (a) Na2S(aq) + 2HCl(aq) → H2S(g) + 2NaCl(aq) (b) H2(g) + CuO(s) → Cu(s) + H2O(g) (c) 2Fe(s) + 3Cl2(g) → 2FeCl3(s) (d) 2Na2O2(s) → 2Na2O(s) + O2(g) ...

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To classify the reactions, look for the patterns o...

Question: 1.7

Density, Volume, and Mass What is the volume of 100.0 g of copper? The density of copper is 8.9 g/cm^3. ...

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We need to carry out the following conversion: [la...

Question: 1.6

Units of Volume For lunch, Anna and Bill had 12-ounce (oz) cans of soda. What is the volume of a 12.0-oz can of soda in units of milliliters? What is its volume in units of liters? ...

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To solve this problem using the dimensional-analys...

Question: 2.8

Calculating Relative Atomic Mass The element magnesium is composed of three isotopes: magnesium-24, magnesium-25, and magnesium-26. The mass and percent abundance of each are listed in the following table. Calculate the relative atomic mass of magnesium, and compare your calculated value to the ...

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To determine the mass contribution of each isotope...

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