What is the volume of 4.00 mol #Ar# gas at 8.25 torr and 27°C?

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What is the volume of 4.00 mol #Ar# gas at 8.25 torr and 27°C?

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Answer 1 · 2016-09-24T06:01:05

Large, approx. #9*m^3#.

Explanation:

We use the Ideal Gas Equation, and should also know that #1*atm# pressure will support a column of mercury #760*mm# high. The Ideal Gas Equation requires a temperature in #"degrees Kelvin"# #=# #""^@C+273.15#.

#V=(nRT)/P#

#=# #(4.00*molxx0.0821*L*atm*K^-1mol^-1xx300*K)/((8.25*mm*Hg)/(760*mm*Hg*atm^-1))#

The units of pressure and temperature all cancel out to give an answer in #"litres"#.

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What is the volume of 4.00 mol #Ar# gas at 8.25 torr and 27°C?

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