Material Detail

100 g of water (c=4.184 J/g. o C), 100 g of ethanol (c=2.46 J/g. o C), 100 g of carbon tetrachloride (c=0.861 J/g. o C), and 100 g of ethylene glycol (c=2.42 J/g. o C) at 50 o C were each placed into a separate coffee cup calorimeter and the temperature recorded. The temperature of the surroundings was 20 o C. After one hour the temperature of which substance would have changed by the largest amount? Assume that the rate of heat transfer from the coffee cup to the surroundings was the same in each case.

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