Heat and Efficiency a

Subject:PhysicsPrice:2.87 Bought7

Share With

 Heat and Efficiency

a. A heat engine converts the flow of heat that results from a difference in temperatures into work. Write one or two sentences describing a very efficient heat engine by comparing the temperatures at which it operates.

b. How could you improve the efficiency of a heat engine by increasing one of the temperatures at which the heat engine operates?

c. Calculate the amount of heat needed to warm 24.6 kg of water from a room temperature of 20.0°C to 60.0°C. Show your work.