Chemistry: An Introduction to General, Organic, and Biological Chemistry (12th Edition)

by Timberlake, Karen C.

Published by Prentice Hall

ISBN 10: 0321908449

ISBN 13: 978-0-32190-844-5

Chapter 3 - Section 3.4 - Energy - Study Check 3.5 - Page 69: 1

Answer

35 kJ of energy

Work Step by Step

1 kcal = 1000 cal 8.4 kcal x 1000 cal / 1 kcal = 8400 cal 1 cal = 4.184 J 8400 cal x 4.184 J / 1 cal = 35145.6 J 1 kJ = 1000 J 35145.6 J x 1 kJ/ 1000 J = 35.15 kJ

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