Chapter 17, Problem 90QRT

Interpretation Introduction

Interpretation:

The time for which the given battery can provide power at a rate of $\text{4}\text{.0}\times {\text{10}}^{-4}\text{ watt}$ if $1.2\text{5 g HgO}$ is available has to be calculated.

Concept Introduction:

During a redox reaction, the amount of electrons transferred is determined by measuring the current flowing in an external electric circuit for a particular period of time.  The electric charge flowing through an electric circuit is calculated by multiplying the current and the time interval.