Chemistry 12th Edition

Published by McGraw-Hill Education
ISBN 10: 0078021510
ISBN 13: 978-0-07802-151-0

Chapter 1 - Chemistry: The Study of Change - Questions & Problems - Page 31: 1.50


a) $154.32 lbs$ b) $4.41504\times10^9 seconds$ c) $8.86\times10^4L$

Work Step by Step

a) $1kg=2.20462lbs$ $70kg=70\times2.20462$ $\approx154.3234 lbs$ $=154.32 lbs$ b) $1 year=365 days=(365\times86400) seconds$ $14\times10^{16}years=(14\times10^{16})(365\times86400)$ $\approx4415040000000000000000000 seconds$ $=4.41504\times10^9 seconds$ c) $1m^3=1000L$ $88.6 M^3=88.6\times1000$ $=88600L$ $=8.86\times10^4L$
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