Chemistry, 25.07.2019 03:30 cristinaarmijo1

Arigid tank contains 20 lbm of air at 20 psia and 70°f. more air is added to the tank until the pressure and temperature rise to 23.5 psia and 90°f, respectively. determine the amount of air added to the tank. the gas constant of air is r

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Arigid tank contains 20 lbm of air at 20 psia and 70°f. more air is added to the tank until the pres...