Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning
ISBN 10: 1133949649
ISBN 13: 978-1-13394-964-0

Chapter 5 Principles of Chemical Reactivity: Energy and Chemical Reactions - 5-3 Energy and Changes of State - Review & Check for Section 5-3: 2

Answer

B

Work Step by Step

Energy balance, assuming all ice would melt: $5.0\ g\times 333\ J/g+5.0\ g\times4.184\ J/K.g\times (T-0)=25.0\ g\times4.184\ J/K.g\times (25-T)$ $T=7.6^{\circ}C$
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