Question

1. Determine the heat of combustion (ΔH2) for propane (C3H6) using the bond energy table, HINT: You’ll need the balanced chemical equation for the combustion of propane.

   1. -5,690 kJ/ mole    

   2. -1,930 kJ/ mole

   3. -7,620 kJ/ mole

   4. -13,200 kJ/mole

   5. -3,450 kJ/ mole

2. Calculate the efficiency of a power plant operating at a high temperature of 580 C and a low temperature of 60 C

   1. 61.0 %     b. 64.9% c. 67.15%      d. 34.1% e. 90.0%

Answer 1