V1=0.04 м3 V2=5 м3 p1=1.5*10^6 Па p2=10^5 Па t1=60 c t=?
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m1=p1*V1*M/(R*T)
m2=p2*V2/(R*T)
N=m1/m2=p1*V1/(p2/V2)=0.04*1.5*10^6/(10^5*5)=0.12
t=N*t1=0.12*60=7.2 c
V1=0.04 м3 V2=5 м3 p1=1.5*10^6 Па p2=10^5 Па t1=60 c t=?
===
m1=p1*V1*M/(R*T)
m2=p2*V2/(R*T)
N=m1/m2=p1*V1/(p2/V2)=0.04*1.5*10^6/(10^5*5)=0.12
t=N*t1=0.12*60=7.2 c