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Chemistry & Chemical Reactivity

9th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781133949640

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Chapter
Section
BuyFindarrow_forward

Chemistry & Chemical Reactivity

9th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781133949640
Chapter 21, Problem 72GQ
Textbook Problem
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(a) Heating barium oxide in pure oxygen gives barium peroxide. Write a balanced equation for this reaction.

(b) Barium, peroxide is an excellent oxidizing agent. Write a balanced equation for the reaction of iron with barium peroxide to give iron(III) oxide and barium oxide.

(a)

Interpretation Introduction

Interpretation: The  balanced chemical equation for the reaction of barium oxide with dioxygen should be given.

Concept introduction:

A chemical equation consists of reactants and products. The two are separated by an arrow. Each substances of reactants and products are separated from other by a plus sign. The reactants lies on left hand side while products lies on right hand side of the reaction.

A balanced chemical equation occurs when the number of atoms in reactant side is equal to the number of atoms in the product side.

Explanation of Solution

The chemical reaction of barium oxide with dioxygen gives barium peroxide. The balanced chemical equation of barium oxide with dioxygen is written as,

    BaO(s)+

(b)

Interpretation Introduction

Interpretation: The  balanced chemical equation for the reaction of iron with barium peroxide should be given.

Concept introduction:

A chemical equation consists of reactants and products. The two are separated by an arrow. Each substances of reactants and products are separated from other by a plus sign. The reactants lies on left hand side while products lies on right hand side of the reaction.

A balanced chemical equation occurs when the number of atoms in reactant side is equal to the number of atoms in the product side.

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Chapter 21 Solutions

Chemistry & Chemical Reactivity
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Ch. 21.8 - 4. A large, 12 107 L, aquarium contains 1.7 104...Ch. 21.8 - 3. What is the oxidation state of phosphorus in...Ch. 21.11 - 1. Use electronegativity values (⊲ Figure 8.10) to...Ch. 21.11 - 2. High boiling points are one characteristic of...Ch. 21 - Give examples of two basic oxides. Write equations...Ch. 21 - Give examples of two acidic oxides. Write...Ch. 21 - Give the name and symbol of each element having...Ch. 21 - Give symbols and names for four monatomic ions...Ch. 21 - Select one of the alkali metals, and write a...Ch. 21 - Select one of the alkaline earth metals and write...Ch. 21 - For the product of the reaction you selected in...Ch. 21 - For the product of the reaction you selected in...Ch. 21 - Would you expect to find calcium occurring...Ch. 21 - Which of the first 10 elements in the periodic...Ch. 21 - Place the following oxides in order of increasing...Ch. 21 - Place the following oxides in order of increasing...Ch. 21 - Complete and balance the equations for the...Ch. 21 - Complete and balance the equations for the...Ch. 21 - Write balanced chemical dilutions for the reaction...Ch. 21 - Write an equation for the reaction of potassium...Ch. 21 - Write a balanced chemical equation for the...Ch. 21 - Using data in Appendix L, calculate rH, rG, and rS...Ch. 21 - A method recently suggested for the preparation of...Ch. 21 - Compare the mass of H2 expected from the reaction...Ch. 21 - Write equations for the reaction of sodium with...Ch. 21 - Write balanced equations for the reaction of...Ch. 21 - The electrolysis of aqueous NaCl gives NaOH, Cl2,...Ch. 21 - (a) Write equations for the half-reactions that...Ch. 21 - When magnesium bums in air, it forms both an oxide...Ch. 21 - Calcium reacts with hydrogen gas at 300400 C to...Ch. 21 - Name three uses of limestone. 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Are any of the...Ch. 21 - Use data in Appendix L to calculate the enthalpy...Ch. 21 - Use data in Appendix L to calculate the enthalpy...Ch. 21 - The overall reaction involved in the industrial...Ch. 21 - A major use of hydrazine, N2H4, is in steam...Ch. 21 - Before hydrazine came into use to remove dissolved...Ch. 21 - Review the structure of phosphorous acid in Table...Ch. 21 - Unlike carbon, which can form extended chains of...Ch. 21 - In the contact process for making sulfuric acid,...Ch. 21 - A sulfuric acid plant produces an enormous amount...Ch. 21 - Sulfur forms anionic chains of S atoms called...Ch. 21 - Sulfur forms a range of compounds with fluorine....Ch. 21 - The halogen oxides and oxoanions are good...Ch. 21 - The hypohalite ions, XO, are the anions of weak...Ch. 21 - Bromine is obtained from brine wells. The process...Ch. 21 - To prepare chlorine from chloride ion a strong...Ch. 21 - If an electrolytic cell for producing F2 (Figure...Ch. 21 - Halogens combine with one another to produce...Ch. 21 - The standard enthalpy of formation of XeF4 is 218...Ch. 21 - Draw the Lewis electron dot structure for XeO3F2....Ch. 21 - Argon is present in dry air to the extent of 0.93%...Ch. 21 - The reaction of XeF6 with water gives a yellow...Ch. 21 - For each of the third-period elements (Na through...Ch. 21 - Consider the chemistries of C, Si, Ge, and Sn. (a)...Ch. 21 - Consider the chemistries of the elements...Ch. 21 - When BCl3 gas is passed through an electric...Ch. 21 - Complete and balance the following equations. (a)...Ch. 21 - (a) Heating barium oxide in pure oxygen gives...Ch. 21 - Worldwide production of silicon carbide, SiC, is...Ch. 21 - To store 2.88 kg of gasoline with an energy...Ch. 21 - Using data in Appendix L, calculate rG values for...Ch. 21 - Ammonium perchlorate is used as the oxidizer in...Ch. 21 - Metals react with hydrogen halides (such as HCl)...Ch. 21 - Halogens form polyhalide ions. Sketch Lewis...Ch. 21 - The standard enthalpy of formation of OF2 gas is +...Ch. 21 - Calcium fluoride can be used in the fluoridation...Ch. 21 - The steering rockets in space vehicles use N2O4...Ch. 21 - Use fH data in Appendix L to calculate the...Ch. 21 - Phosphorus forms an extensive series of oxoanions....Ch. 21 - A Boron and hydrogen form an extensive family of...Ch. 21 - In 1774, C. 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