A heat engine using 150 m g of helium as the working substance follows the cycle

Question

A heat engine using 150mg of helium as the working substance follows the cycle shown in the figure.

Part A. Determine the pressure of the gas at point 1.

Part B. Determine the temperature of the gas at point 1.

Part C. Determine the volume of the gas at point 1.

A heat engine using 150mg of helium as the working substance follows the cycle shown in the figure. Determine the pressure of the gas at point 1. . Determine the temperature of the gas at point 1. Determine the volume of the gas at point 1.

Explanation / Answer

A) pressure at 1 = 1 atm

b) using ideal gas law pv = rt

t = 1*/R here R = 8.314= .120 Kelvin = 273.12 Celsius

c) volume at 1 = 1000 cc = 1L

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