The given equations are to be completed and balanced. Concept introduction: In a chemical equation when the number of atoms of an element on the reactant side is equal to the number of atoms of that element on the product side, it is known as a balanced chemical equation. The balancing of a chemical equation is done for it to follow the law of conservation of mass. It is a process of trial and error. To determine: A complete and balanced equation for the reaction Li ( s ) + N 2 ( g ) → .

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Chapter 2, Problem 133E

(a)

Interpretation Introduction

Interpretation: The given equations are to be completed and balanced.

Concept introduction: In a chemical equation when the number of atoms of an element on the reactant side is equal to the number of atoms of that element on the product side, it is known as a balanced chemical equation. The balancing of a chemical equation is done for it to follow the law of conservation of mass. It is a process of trial and error.

To determine: A complete and balanced equation for the reaction Li(s)+N2(g)→ .

(b)

Interpretation Introduction

Interpretation: The given equations are to be completed and balanced.

Concept introduction: In a chemical equation when the number of atoms of an element on the reactant side is equal to the number of atoms of that element on the product side, it is known as a balanced chemical equation. The balancing of a chemical equation is done for it to follow the law of conservation of mass. It is a process of trial and error.

To determine: A complete and balanced equation for the reaction Rb(s)+S(s)→ .

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