Question

Suppose 10.00 mol of Ar gas are pumped into a 1.01 L container at 293.15 K....

Suppose 10.00 mol of Ar gas are pumped into a 1.01 L container at 293.15 K.

Calculate the expected pressure based on the ideal gas law, Pideal.

?atm

Calculate an estimate of the gas pressure one might observe based on the van der Waals equation, Pobs.
a = 1.34 L2 · atm/mol2, b = 0.0322 L/mol.   
     atm

Part 3   (1 point)

Which factor, a or b, is the primary reason for the difference in the calculated pressures?

Choose one:

a.

b.

What does the factor selected in Part 3 reflect?

Choose one:

A.   intermolecular attractions

B.   volume occupied by the molecules

C.   intermolecular repulsions

D.   low average kinetic energy

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Answer #1

PAGE NU. ideel is law DATE: Pu m²a. V2 10 mol 70.089057293.15 Kxtatmkimont the mole gas PV = MRT 1.01% 238.168 alm. Vm des w

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