(a) Interpretation: Balanced chemical equation of given reaction is to be written. Na (s) +O 2(g) → Na 2 O 2(s) Concept Introduction: Law of conservation of mass: According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction . Oxidation-Reduction reactions : The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

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Answer 1

Question

Chapter 7, Problem 80AP

Interpretation Introduction

(a)

Interpretation:

Balanced chemical equation of given reaction is to be written.

Na(s)+O2(g)→Na2O2(s)

Concept Introduction:

Law of conservation of mass:

According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction.

Oxidation-Reduction reactions: The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

Interpretation Introduction

(b)

Interpretation:

Balanced chemical equation of given reaction is to be written.

Concept Introduction:

Law of conservation of mass:

According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction.

Oxidation-Reduction reactions: The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

Interpretation Introduction

(c)

Interpretation:

Balanced chemical equation of given reaction is to be written.

Concept Introduction:

Law of conservation of mass:

According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction.

Oxidation-Reduction reactions: The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

Interpretation Introduction

(d)

Interpretation:

Balanced chemical equation of given reaction is to be written.

Concept Introduction:

Law of conservation of mass:

According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction.

Oxidation-Reduction reactions: The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

Interpretation Introduction

(e)

Interpretation:

Balanced chemical equation of given reaction is to be written.

Concept Introduction:

Law of conservation of mass:

According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction.

Oxidation-Reduction reactions: The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

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Answer 2

Question

Chapter 7, Problem 80AP

Interpretation Introduction

(a)

Interpretation:

Balanced chemical equation of given reaction is to be written.

Na(s)+O2(g)→Na2O2(s)

Concept Introduction:

Law of conservation of mass:

According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction.

Oxidation-Reduction reactions: The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

Interpretation Introduction

(b)

Interpretation:

Balanced chemical equation of given reaction is to be written.

Concept Introduction:

Law of conservation of mass:

According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction.

Oxidation-Reduction reactions: The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

Interpretation Introduction

(c)

Interpretation:

Balanced chemical equation of given reaction is to be written.

Concept Introduction:

Law of conservation of mass:

According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction.

Oxidation-Reduction reactions: The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

Interpretation Introduction

(d)

Interpretation:

Balanced chemical equation of given reaction is to be written.

Concept Introduction:

Law of conservation of mass:

According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction.

Oxidation-Reduction reactions: The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

Interpretation Introduction

(e)

Interpretation:

Balanced chemical equation of given reaction is to be written.

Concept Introduction:

Law of conservation of mass:

According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction.

Oxidation-Reduction reactions: The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

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Answer 3

Question

Chapter 7, Problem 80AP

Interpretation Introduction

(a)

Interpretation:

Balanced chemical equation of given reaction is to be written.

Na(s)+O2(g)→Na2O2(s)

Concept Introduction:

Law of conservation of mass:

According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction.

Oxidation-Reduction reactions: The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

Interpretation Introduction

(b)

Interpretation:

Balanced chemical equation of given reaction is to be written.

Concept Introduction:

Law of conservation of mass:

According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction.

Oxidation-Reduction reactions: The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

Interpretation Introduction

(c)

Interpretation:

Balanced chemical equation of given reaction is to be written.

Concept Introduction:

Law of conservation of mass:

According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction.

Oxidation-Reduction reactions: The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

Interpretation Introduction

(d)

Interpretation:

Balanced chemical equation of given reaction is to be written.

Concept Introduction:

Law of conservation of mass:

According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction.

Oxidation-Reduction reactions: The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

Interpretation Introduction

(e)

Interpretation:

Balanced chemical equation of given reaction is to be written.

Concept Introduction:

Law of conservation of mass:

According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction.

Oxidation-Reduction reactions: The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

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Answer 4

Question

Chapter 7, Problem 80AP

Interpretation Introduction

(a)

Interpretation:

Balanced chemical equation of given reaction is to be written.

Na(s)+O2(g)→Na2O2(s)

Concept Introduction:

Law of conservation of mass:

According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction.

Oxidation-Reduction reactions: The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

Interpretation Introduction

(b)

Interpretation:

Balanced chemical equation of given reaction is to be written.

Concept Introduction:

Law of conservation of mass:

According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction.

Oxidation-Reduction reactions: The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

Interpretation Introduction

(c)

Interpretation:

Balanced chemical equation of given reaction is to be written.

Concept Introduction:

Law of conservation of mass:

According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction.

Oxidation-Reduction reactions: The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

Interpretation Introduction

(d)

Interpretation:

Balanced chemical equation of given reaction is to be written.

Concept Introduction:

Law of conservation of mass:

According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction.

Oxidation-Reduction reactions: The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

Interpretation Introduction

(e)

Interpretation:

Balanced chemical equation of given reaction is to be written.

Concept Introduction:

Law of conservation of mass:

According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction.

Oxidation-Reduction reactions: The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

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Answer 5

Chapter 7, Problem 80AP

Interpretation Introduction

(a)

Interpretation:

Balanced chemical equation of given reaction is to be written.

Na(s)+O2(g)→Na2O2(s)

Concept Introduction:

Law of conservation of mass:

According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction.

Oxidation-Reduction reactions: The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

Interpretation Introduction

(b)

Interpretation:

Balanced chemical equation of given reaction is to be written.

Concept Introduction:

Law of conservation of mass:

According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction.

Oxidation-Reduction reactions: The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

Interpretation Introduction

(c)

Interpretation:

Balanced chemical equation of given reaction is to be written.

Concept Introduction:

Law of conservation of mass:

According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction.

Oxidation-Reduction reactions: The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

Interpretation Introduction

(d)

Interpretation:

Balanced chemical equation of given reaction is to be written.

Concept Introduction:

Law of conservation of mass:

According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction.

Oxidation-Reduction reactions: The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

Interpretation Introduction

(e)

Interpretation:

Balanced chemical equation of given reaction is to be written.

Concept Introduction:

Law of conservation of mass:

According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction.

Oxidation-Reduction reactions: The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

Answer 6

Chapter 7, Problem 80AP

Interpretation Introduction

(a)

Interpretation:

Balanced chemical equation of given reaction is to be written.

Na(s)+O2(g)→Na2O2(s)

Concept Introduction:

Law of conservation of mass:

According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction.

Oxidation-Reduction reactions: The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

Answer 7

Chapter 7, Problem 80AP

Interpretation Introduction

(a)

Interpretation:

Balanced chemical equation of given reaction is to be written.

Na(s)+O2(g)→Na2O2(s)

Concept Introduction:

Law of conservation of mass:

According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction.

Oxidation-Reduction reactions: The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

Answer 8

Interpretation Introduction

(b)

Interpretation:

Balanced chemical equation of given reaction is to be written.

Concept Introduction:

Law of conservation of mass:

According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction.

Oxidation-Reduction reactions: The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

Answer 9

Interpretation Introduction

(b)

Interpretation:

Balanced chemical equation of given reaction is to be written.

Concept Introduction:

Law of conservation of mass:

According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction.

Oxidation-Reduction reactions: The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

Answer 10

Interpretation Introduction

(c)

Interpretation:

Balanced chemical equation of given reaction is to be written.

Concept Introduction:

Law of conservation of mass:

According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction.

Oxidation-Reduction reactions: The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

Answer 11

Interpretation Introduction

(c)

Interpretation:

Balanced chemical equation of given reaction is to be written.

Concept Introduction:

Law of conservation of mass:

According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction.

Oxidation-Reduction reactions: The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

Answer 12

Interpretation Introduction

(d)

Interpretation:

Balanced chemical equation of given reaction is to be written.

Concept Introduction:

Law of conservation of mass:

According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction.

Oxidation-Reduction reactions: The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

Answer 13

Interpretation Introduction

(d)

Interpretation:

Balanced chemical equation of given reaction is to be written.

Concept Introduction:

Law of conservation of mass:

According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction.

Oxidation-Reduction reactions: The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

Answer 14

Interpretation Introduction

(e)

Interpretation:

Balanced chemical equation of given reaction is to be written.

Concept Introduction:

Law of conservation of mass:

According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction.

Oxidation-Reduction reactions: The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

Answer 15

Interpretation Introduction

(e)

Interpretation:

Balanced chemical equation of given reaction is to be written.

Concept Introduction:

Law of conservation of mass:

According to the law of conservation of mass, mass cannot be created nor be destroyed during ordinary physical or chemical changes. So, if there are 50 grams of reactants are reacting then 50 grams of product must be produced. The mass will stay the same during a chemical reaction.

Oxidation-Reduction reactions: The reactions in which oxidation and reduction takes place simultaneously are called oxidation-reduction reactions or redox reactions.

Answer 16

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Answer 17

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Answer 18

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Answer 19

Ch. 7.2 - at if no ionic solids were soluble in water? Could...Ch. 7.2 - Prob. 7.1SC Ch. 7.3 - trong>Exercise 7.2 For each of the following...Ch. 7.5 - Prob. 7.3SC Ch. 7.7 - lton believed that atoms were indivisible. Thomson...Ch. 7.7 - ercise 7.4 Classify each of the following...Ch. 7 - onsider the mixing of aqueous solutions of...Ch. 7 - ssume a highly magnified view of a solution of HCI...Ch. 7 - hy is the formation of a solid evidence of a...Ch. 7 - Prob. 4ALQ

Solution Summary: The author explains the law of conservation of mass, which states that mass cannot be created or destroyed during ordinary physical or chemical changes.

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