3.4
p1*V=m1/M1*R*T1
V=m1/M1*R*T1/p1
p2*V=m2/M2*R*T2
m1/M1*R*T1*p2/p1=m2/M2*R*T2
m1=m2*M1/M2*T2/T1*p1/p2=4*0,032/0,002*(60+273)/(57+273)*50/444 г =
7,272727
г ~ 7,3 г
3.6
p2=p1+mg/S
p1=p2-mg/S=250000-50*10/(50*10^(-4)) Па =
150000
Па = 150 кПа
p1*V1/t1=p2*V2/t2
p1*h1*S/t1=p2*h2*S/t2
p1*h1/t1=p2*h2/t2
t1=t2*p1/p2*h1/h2=(77+273)*150/250*0,55/0,15 К=
770
К = (
770-273) С
= 497 С