Physics Practice Problems Heat Engines & PV Diagrams Practice Problems Solution: An engine uses 1.4 mol of a monoatomic ideal gas u...

Solution: An engine uses 1.4 mol of a monoatomic ideal gas undergoing the cycle shown in the following figure. a) Determine T1, T2, and T3.b) Make a table showing ΔU, W, and Q for each step of the cycle. c) What is the engine's thermal efficiency?

Problem

An engine uses 1.4 mol of a monoatomic ideal gas undergoing the cycle shown in the following figure. 

a) Determine T1, T2, and T3.

b) Make a table showing ΔU, W, and Q for each step of the cycle. 

c) What is the engine's thermal efficiency?