6. [-/1 Points] SERCP11 12.3.P.018. ASK YOUR TEACHER PRACTICE ANOTHER A quantity of a diatomic ideal gas undergoes a process in which both its pressure and volume are increased by a factor of n = 9 as shown in the figure below. What is the energy absorbed by heat into the gas during this process? Hint: The internal energy of a diatomic ideal gas at pressure P and occupying volume V is given by U = ;PV. (Give your answer as a multiple of PyV.) :1'('30'/0 Need Help? Submit Answer 7. [-/1 Points] SERCP11 12.4.0P.039. ASK YOUR TEACHER PRACTICE ANOTHER In one cycle of an engine, 1.73 kJ of energy is absorbed from a hot reservoir at 277C, and 1.16 kJ of energy is expelled to a cold reservoir at 27.0C. (a) What is the engine's efficiency? (Enter your answer as a percent.) % (b) How much work (in J) is done by the engine in each cycle? [ ) (c) What is the power output (in kW) of the engine if each cycle lasts 0.305 s? kw 2. [-/1 Points] DETAILS MY NOTES SERCP11 12.1.P.005. | ASK YOUR TEACHER PRACTICE ANOTHER A gas expands from I to F along the three paths indicated in the figure below. Calculate the work done on the gas along each of the following paths. P(atm) 8 V (liters) & @ (a) IAF (b) IF (c) IBF J Need Help