
(a)
Interpretation:
The given energy in calories needs to be converted into joules.
Concept Introduction:
Kilocalorie and calorie are the unit of energy.
(a)

Answer to Problem 25A
7845 cal = 32823480 J
Explanation of Solution
1 calorie = 4184 Joules
7845 cal = 7845 × 4184 J
= 32823480 J
(b)
Interpretation:
The given energy in calories needs to be converted into joules.
Concept Introduction:
Kilocalorie and calorie are the unit of energy.
(b)

Answer to Problem 25A
4.55 × 104cal = 19037.2× 104 J
Explanation of Solution
1 calorie = 4184 Joules
4.55 × 104cal = 4184 × 4.55 × 104 J
= 19037.2× 104 J
(c)
Interpretation:
The given energy in kilocalorie needs to be converted into kilojoules.
Concept Introduction:
Kilocalorie and calorie are the unit of energy.
(c)

Answer to Problem 25A
62.142 kilocalorie= 260 kilojoules
Explanation of Solution
1 kilocalorie = 4.184 kilojoule
62.142 kilocalorie = 62.142 × 4.184
= 260 kilojoules
(d)
Interpretation:
The given energy in calorie needs to be converted into joules.
Concept Introduction:
Kilocalorie and calorie are the unit of energy.
(d)

Answer to Problem 25A
43024 calorie =180012416 J
Explanation of Solution
1 calorie = 4184 Joules
43024 calorie = 43024 × 4184 J
= 180012416 J
Chapter 10 Solutions
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