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Use the van der Waals equation and the ideal gas equation to calculate the V of 1 mol of Ne at a P of 500 bar and a T of 355 K?
Use the van der Waals equation and the ideal gas equation to calculate the volume of 1.000 mol of neon at a pressure of 500.0 bar and a temperature of 355.0 K. Explain why the two values are different. (Hint: One way to solve the van der Waals equation for V is to use successive approximations. Use the ideal gas law to get a preliminary estimate for V.)
1 Answer
- ?Lv 73 years ago
p = 500 bar = 50 MPa.
Ideal gas law:
pV = nRT =>
(50 MPa)( V ) = (1 mol)(8.314 J/molK)(355 K);
V = 2951 J/(50 x 10^6 Pa)
= 59 J/(10^6 Pa) = 59 cm^3.
