Many gases are shipped in high-pressure containers.consider a steel tank whose v

Question

Many gases are shipped in high-pressure containers.consider a steel tank whose volume is 65 L and which contains O2gas at a pressure of 16,500 KPa at 23°C. A.) What mass of O2 does the tank contain? B.) What volume would this gas occupy at STP? C.) At which temperature would this pressure on the tankequal 150.0 atm? D.) What would be the pressure of the gas, in kPa, if or weretransferred to the container as 24°C whose volume is 55.0L? Many gases are shipped in high-pressure containers.consider a steel tank whose volume is 65 L and which contains O2gas at a pressure of 16,500 KPa at 23°C. A.) What mass of O2 does the tank contain? B.) What volume would this gas occupy at STP? C.) At which temperature would this pressure on the tankequal 150.0 atm? D.) What would be the pressure of the gas, in kPa, if or weretransferred to the container as 24°C whose volume is 55.0L?

Explanation / Answer

101.325 kPa = 1 atm 16,500 kPa = 162.8 atm a) PV = nRT (162.8 atm)(65 L) = n(0.08206 L atm/mol K)(296 K) n = 435.6 mol O2 435.6 mol x 32 g O2 = 13941 g O2                     mol b) PV = nRT (1 atm)V = (435.6 mol)(0.08206 L atm/mol k)(273 K) V = 9758.5 L c) PV = nRT (150.0 atm)(65 L) = (435.6 mol)(0.08206 L atm/mol K)T T = 272.8 K d) PV = nRT P(55.0 L) = (435.g mol)(0.08206 L atm/mol K)(297 K) P = 10616.4 atm = 1,075,703 kPa

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