   Chapter 12, Problem 5CR ### 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

# ow is the calorie defined? Is the thermodynamic calorie the same as the Calorie we are careful of when planning our diets? Although the calorie is our “working unit" of energy (based on its. experimental definition), the SI unit of energy is the joule. How are joules and calories related? What does the specific heat capacity of a substance represent? What common substance has a relatively high specific heat capacity which makes it useful for cooling purposes?

Interpretation Introduction

Interpretation:

The definition of calorie should be determined along with the difference between Calorie and calorie and relation of joule with calorie. The definition of specific heat capacity should be discussed and identify the substance having relatively high specific heat capacity, which makes it useful for cooling.

Concept Introduction:

Joule, calorie and Calorie (kilocalorie) are the units of energy and S.I unit of energy is Joule.

The symbol of joule is J, calorie is cal and Calorie is Cal or kcal.

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 amount of heat or energy required to increase the temperature of one gram of water by 1 °C is known as calorie.

The amount of heat or energy required to increase the temperature of one kilogram of water by 1 °C is known as Calorie.

The Calorie with upper case “C” is similar to kilocalorie. The Calorie (upper case C) with which you are familiar is used to measure the content of energy in food and is in fact a kilocalorie i

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