Chemistry: The Molecular Science (5th Edition)

Published by Cengage Learning
ISBN 10: 1285199049
ISBN 13: 978-1-28519-904-7

Chapter 8 - Properties of Gases - Questions for Review and Thought - Topical Questions - Page 370a: 22


-96° C

Work Step by Step

$V_{1}=2.50\,L$ $T_{1}=(80+273)K= 353\,K$ $V_{2}= 1.25\,L$ According to Charles's law, $\frac{V_{1}}{T_{1}}=\frac{V_{2}}{T_{2}}$ (unchanging P and n) $\implies T_{2}=\frac{V_{2}T_{1}}{V_{1}}=\frac{1.25\,L\times353\,K}{2.50\,L}$ $=177\,K=(177-273)^{\circ}C=-96^{\circ}C$
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