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mohanad
Questions (1)
if an ideal gas expands rapidly doing work 450 j of work on its environment, how much heat flowed into or out of it
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Answers (2)
thanx man
F=P*A A= Pi*r^2 A=Pi*(25/2)^2 A=0.04909 cm^2 Pgauge=Pabs- 1 atm p abs =P gauge+1 P abs= 4 atm F= (0.04909 cm^2 * (1m^2)/(100cm)^2)*(4 atm*1.013*10^5 N/m^2) F=1.99 N
