Question

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N2
V=10л
p=1,25кг/м³
u=600 м/с

Answer 1

M=0.028 кг/моль   po=1.25 кг/м3    V=0.01 м3    u=600 м/с   T=?    p=?   m=?

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T=M*u²/(3*R)=0.028*600²/(3*8.31)≈404 K

p=po*R*T/M=1.25*8.31*404/0.028=1.5*10^5 Па

m=p*V*M/(R*T)=1.5*10^5*0.01*0.028/(8.31*404)=0.0125 кг

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