A sample of hydrogen has a volume of 889 mL when the temperature is -37.9 degC and the pressure is 1.045 atm. What will be the volume of the gas at STP?

2,,

V1 = 889 mL

T1 = -37.9 degC = 235.1K

P1 = 1.045 atm

T2 = 0 C = 273 K

P2 = 1.00 atm

P1V1/T1 = P2V2/T2

V2 =P1V1T2/(T1P2)

V2 = 1.045*889*273/(235.1*1)

V2 = 1078. ml

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