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Question
Which of the following processes will result in the lowest final temperature of the metal"water mixture at equilibrium? The specific heat of cobalt is 0.421J/(g·ºC).A) the addition of 100 g of cobalt at 95ºC to 80 mL of water at 25ºC in an insulated container
B) the addition of 100 g of cobalt at 95ºC to 100 mL of water at 25ºC in an insulated container
C) the addition of 100 g of cobalt at 95ºC to 40 mL of water at 25ºC in an insulated container
D) the addition of 100 g of cobalt at 95ºC to 20 mL of water at 25ºC in an insulated container
E) the addition of 100 g of cobalt at 95ºC to 60 mL of water at 25ºC in an insulated container
Answer
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