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Question
A 42.9-g sample of cobalt (s=0.421J/(g·ºC)), initially at 157.2ºC, is placed in an insulated vessel containing 120.9g of water (s=4.18J/(g·ºC)), initially at 19.2ºC. Once equilibrium is reached, what is the final temperature of the metal-water mixture? Neglect the heat capacity of the vessel.
A) 24.0ºC
B) 55.3ºC
C) 14.1ºC
D) 88.2ºC
E) 31.8ºC
Answer
This answer is hidden. It contains 1 characters.
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