Five grams of nitrogen gas at an initial pressure of 30 atm, Ask an Expert

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Five grams of nitrogen gas at an initial pressure of 3.0 atm and at 20 degrees C undergo an isobaric expansion until the volume has tripled.

A) What is the gas volume after the expansion in cm^3?

B) What is the gas temperature after the expansion? The gas pressure is then decreased at constant volume until the original temperature is reached. Answer in K

C) What is the gas pressure after the decrease? Finally, the gas is isothermally compressed until it returns to its initial volume. Answer in atm

D) What is the final gas pressure in atm?

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