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ChemistryIntroductory Chemistry: A Foundation9th Edition

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Chapter 10, Problem 25QAP
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Introductory Chemistry: A Foundati...

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

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Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425
Textbook Problem
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Convert the following numbers of calories or kilocalories into joules and kilojoules (Remember: kilo means 1000.)

  1. 75.2 kcal
  2. 75.2 cal

i>Chapter 10, Problem 25QAP, Convert the following numbers of calories or kilocalories into joules and kilojoules (Remember: kilo cal

  • 1.41 kcal

    • Interpretation Introduction

    (a)

    Interpretation:

    Convert 75.2 kcal to joules and 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 kilocalories to joules and kilojoules.

    1 kilocalorie is equal to the 4184 joules and 4.184 kilojoules.

    1 kcal = 4184 J and 1 kcal = 4.184 kJ

    Thus, conversion factor is given by:

    4184 J1 kcal and4.184 kJ1 kcal

    So,

    75.2 kcal

    =4

    Interpretation Introduction

    (b)

    Interpretation:

    Convert 75.2 cal to joules and 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.

    Interpretation Introduction

    (c)

    Interpretation:

    Convert 1.41×103 cal to joules and 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.

    Interpretation Introduction

    (d)

    Interpretation:

    Convert 1.41×103 kcal to joules and 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.

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    Sect-10.1 P-1CTSect-10.4 P-1CTSect-10.5 P-10.1SCSect-10.5 P-10.2SCSect-10.5 P-10.3SCSect-10.5 P-10.4SCSect-10.6 P-10.5SCSect-10.7 P-1CTSect-10.7 P-10.6SCSect-10.9 P-1CT
    Sect-10.10 P-1CTCh-10 P-1ALQCh-10 P-2ALQCh-10 P-3ALQCh-10 P-4ALQCh-10 P-5ALQCh-10 P-6ALQCh-10 P-7ALQCh-10 P-8ALQCh-10 P-9ALQCh-10 P-10ALQCh-10 P-11ALQCh-10 P-12ALQCh-10 P-13ALQCh-10 P-14ALQCh-10 P-15ALQCh-10 P-16ALQCh-10 P-17ALQCh-10 P-18ALQCh-10 P-19ALQCh-10 P-20ALQCh-10 P-1QAPCh-10 P-2QAPCh-10 P-3QAPCh-10 P-4QAPCh-10 P-5QAPCh-10 P-6QAPCh-10 P-7QAPCh-10 P-8QAPCh-10 P-9QAPCh-10 P-10QAPCh-10 P-11QAPCh-10 P-12QAPCh-10 P-13QAPCh-10 P-14QAPCh-10 P-15QAPCh-10 P-16QAPCh-10 P-17QAPCh-10 P-18QAPCh-10 P-19QAPCh-10 P-20QAPCh-10 P-21QAPCh-10 P-22QAPCh-10 P-23QAPCh-10 P-24QAPCh-10 P-25QAPCh-10 P-26QAPCh-10 P-27QAPCh-10 P-28QAPCh-10 P-29QAPCh-10 P-30QAPCh-10 P-31QAPCh-10 P-32QAPCh-10 P-33QAPCh-10 P-34QAPCh-10 P-35QAPCh-10 P-36QAPCh-10 P-37QAPCh-10 P-38QAPCh-10 P-39QAPCh-10 P-40QAPCh-10 P-41QAPCh-10 P-42QAPCh-10 P-43QAPCh-10 P-44QAPCh-10 P-45QAPCh-10 P-46QAPCh-10 P-47QAPCh-10 P-48QAPCh-10 P-49QAPCh-10 P-50QAPCh-10 P-51QAPCh-10 P-52QAPCh-10 P-53QAPCh-10 P-54QAPCh-10 P-55QAPCh-10 P-56QAPCh-10 P-57QAPCh-10 P-58QAPCh-10 P-59QAPCh-10 P-60QAPCh-10 P-61QAPCh-10 P-62QAPCh-10 P-63QAPCh-10 P-64QAPCh-10 P-65APCh-10 P-66APCh-10 P-67APCh-10 P-68APCh-10 P-69APCh-10 P-70APCh-10 P-71APCh-10 P-72APCh-10 P-73APCh-10 P-74APCh-10 P-75APCh-10 P-76APCh-10 P-77APCh-10 P-78APCh-10 P-79APCh-10 P-80APCh-10 P-81APCh-10 P-82APCh-10 P-83APCh-10 P-84APCh-10 P-85CPCh-10 P-86CPCh-10 P-87CPCh-10 P-88CPCh-10 P-89CP

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