Q.
A chemical engineer studying the properties of fuel placed 1.988 g of hydrocarbon in the bomb of a calorimeter and filled it with O2 gas. The bomb was immersed in 2.321 L water and the reaction initiated. The water temp rose from 21.06 to 27.80 degrees Celsius. If the calorimete (xcluding the H2O) had a heat capacity of 480 J/K, what was the heat of combustion of the fuel?
A
Total Heat = (4.184 J/g•C)(2321 g)(27.80 C - 21.06 C) + (480 J/C)(27.80 C - 21.06 C) = ______ J
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