Answer to Question #37079 in Physical Chemistry for Roberth95
containing carbon dioxide at 40 C and 70,000 N m-2. Calculate the final pressure in
the cylinder if after the addition the final temperature is 55 C.
Calculate the pressures of gases at the final conditions:
P1V1/T1 = P2V2/T2
P2(O2) = P1V1T2/V2T1 = 92,000*35*328/(40*358) = 73,750 N/m^2
P1/T1 = P2/T2
P2(CO2) = P1T2/T1 = 73,350 N/m^2
The total pressure in systems is the sum of partial pressures of components:
P = P2(O2) + P2(CO2) = 147,200 N/m^2 = 147,000 N/m^2
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