11. Use the following Information for problems 11-14: If a heat engine absorbs 21.0 MJ of energy from a
source at a temperature of 500°C and discharges 7.00 MJ of energy to a sink at 225°C, how much work
is produced?
a. 14.0 MJ
b. 21.0 MJ
c. 7.00 MJ
d. 28.0 MJ
e. Not enough information given