An ideal diatomic gas goes through the following cycle. It starts at a point a with a pressure 6.00 x10°Pa , a volume of 5.00m' and a temperature of 400K. Then there is an isochoric drop in pressure to a point b where the pressure is 3.00×10°P . Next there is an adiabatic increase in pressure to a point c where the pressure is again 6.00x10° Pa. Finally, there is an isobaric return to point a . a. How many moles of gas are there?

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I just need help on part a, thank you!

An ideal diatomic gas goes through the following cycle. It starts at a point a with a pressure
6.00 x10°Pa, a volume of 5.00m' and a temperature of 40OK. Then there is an isochoric
drop in pressure to a point b where the pressure is 3.00×10°P . Next there is an adiabatic
increase in pressure to a point c where the pressure is again 6.00x10° Pa. Finally, there is an
isobaric return to point a .
a. How many moles of gas are there?
b. What are the volumes and temperatures at points b and c ?
Transcribed Image Text:An ideal diatomic gas goes through the following cycle. It starts at a point a with a pressure 6.00 x10°Pa, a volume of 5.00m' and a temperature of 40OK. Then there is an isochoric drop in pressure to a point b where the pressure is 3.00×10°P . Next there is an adiabatic increase in pressure to a point c where the pressure is again 6.00x10° Pa. Finally, there is an isobaric return to point a . a. How many moles of gas are there? b. What are the volumes and temperatures at points b and c ?
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