Chapter 4, Problem 10QRT

(a)

Interpretation Introduction

Interpretation:

The given energy in $\text{kJ}$ has to be expressed in joules.

Concept Introduction:

Energy: It is the capacity or ability to do work. Joule (J) is the SI unit of energy.

One kilojoules contain 1000 Joules.

(b)

Interpretation Introduction

Interpretation:

The given energy in $\text{kJ}$ has to be expressed in calories.

Concept Introduction:

One kilocalorie contains 4184 Joules.

(c)

Interpretation Introduction

Interpretation:

The given energy in $\text{kJ}$ has to be expressed in kilocalories.

Concept Introduction:

One kilocalorie contains 4184 Joules. 1 kilojoules contains 1000 Joules.