Chapter 3, Problem 3.22QE

(a)

Interpretation Introduction

Interpretation:

The balanced equation for the following reaction has to be written.

    ${\text{Mg}}_{\text{3}}{\text{N}}_{\text{2}}{\text{+H}}_{\text{2}}\text{O}\stackrel{}{\to }{\text{NH}}_{\text{3}}{\text{+Mg(OH)}}_{\text{2}}$.

(b)

Interpretation Introduction

Interpretation:

For the given reaction, the balanced equation has to be written.

    ${\text{Fe+O}}_{\text{2}}\stackrel{}{\to }{\text{Fe}}_{\text{2}}{\text{O}}_{\text{3}}$.

(c)

Interpretation Introduction

Interpretation:

The balanced equation for the following reaction has to be written.

    ${\text{Zn+H}}_{\text{3}}{\text{PO}}_{\text{4}}\stackrel{}{\to }{\text{H}}_{\text{2}}{\text{+ Zn}}_{\text{3}}{{\text{(PO}}_{\text{4}}\text{)}}_{\text{2}}$.