What is the volume, in liters, of 4.00 moles of methane gas, CH4, at 18°C and 1.40 atm of pressure. Please show working.
We Have
Number of Moles of methane gas (n) = 4.00 moles
Temperature T = 18 0C = 18 + 273.15 = 291.15 K
Pressure P = 1.40 atm
Gas Constant = R = 0.0821 L.atm/mol.K
Now We know the ideal gas equation
PV = nRT
So
Volume V = nRT/P
Lets calculate from given values
V = 4.00 mole 0.0821 L.atm/mol.K 291.15 K / 1.40 atm
= 68.30 L
So Volume = 68.30 Liter
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