   Chapter 10, Problem 29QAP ### Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425

#### Solutions

Chapter
Section ### Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425
Textbook Problem
1 views

# Perform the indicated conversions.ol type='a'>625.2 cal into kilojoules82.41 kJ into joules52.61 kcal into joules124.2 kJ into kilocalories

Interpretation Introduction

(a)

Interpretation:

Convert 625.2 cal to kilojoules.

Concept Introduction:

A conversion factor is a numerical ratio which is used to show a measurement in one unit as another unit. It is always equal to 1.

Explanation

The given conversion is: conversion of calories to kilojoules.

1 calorie is equal to 0.004184 kilojoule.

1 cal = 0.004184 kJ

Thus, conversion factor is given by:

0.004184 kJ1 cal

So,

625

Interpretation Introduction

(b)

Interpretation:

Convert 82.41 kilojoules to joules.

Concept Introduction:

A conversion factor is a numerical ratio which is used to show a measurement in one unit as another unit. It is always equal to 1.

Interpretation Introduction

(c)

Interpretation:

Convert 52.61 kilocalories to joules.

Concept Introduction:

A conversion factor is a numerical ratio which is used to show a measurement in one unit as another unit. It is always equal to 1.

Interpretation Introduction

(c)

Interpretation:

Convert 124.2 kilojoules to kilocalories.

Concept Introduction:

A conversion factor is a numerical ratio which is used to show a measurement in one unit as another unit. It is always equal to 1.

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