Introductory Chemistry (5th Edition)

Published by Pearson
ISBN 10: 032191029X
ISBN 13: 978-0-32191-029-5

Chapter 2 - Measurement and Problem Solving - Exercises - Problems - Page 51: 72

Answer

a) $1.08\times10^{-6}km$ b) $0.00488 ps$ c) $739 Gm$ d) $115 pm$

Work Step by Step

a) To convert Mm to km, multiply by 1000 because 1 Mm= 1000 km. $ 1.08 Mm\times\frac{1 km}{1000000 Mm } = 1.08\times10^{-6}km$ b) To convert from fs to ps, divide by 1000 because 1 ps= 1000 fs. $ 4.88 fs\times\frac{1 ps }{1000 fs} = 0.00488 ps$ c) To convert from m to Gm, divide by 1,000,000,000 because 1 Gm= 1,000,000,000 m. $ 7.39\times10^{11} m\times\frac{1 Gm }{1000000000 Gm} = 739 Gm$ d) To convert from m to pm, multiply by 1,000,000,000,000 because 1 m= 1,000,000,000,000 pm. $ 1.15\times10^{-10} m\times\frac{1,000,000,000,000 pm }{1 m} = 115 pm$
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