A 41.3-g piece of nickel (s = 0.443 J/(g·°C) ) ,initially at 255.8°C,is added to 144.8 g of a liquid,initially at 23.1°C,in an insulated container.The final temperature of the metal-liquid mixture at equilibrium is 35.4°C.What is the identity of the liquid? Neglect the heat capacity of the container.
A) acetone (s = 2.15 J/(g·°C) )
B) hexane (s = 2.27 J/(g·°C) )
C) water (s = 4.18 J/(g·°C) )
D) methanol (s = 2.53 J/(g·°C) )
E) ethanol (s = 2.43 J/(g·°C) )
Correct Answer:
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