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Van der Waals Equation

Q. For the following, arrange them in order of increasing values of the respective van der Waals constant b and EXPLAIN your reasoning. NO, SO2, H20 and rank the following according to increasing value of the respective van der Waals constant a; explain your reasoning. NO, CO2, H2O

Solved • Apr 20, 2020

Van der Waals Equation

Q. You were given the values 0.2107, 2.253, 3.392, and 17.58 as the van der Waals parameter a for the gases CO2, CH3CN, Ne, and CH4 but NOT the correspondence of the values to the compounds. What a value should be assigned to CO2? 1. 17.58 L^2 • atm/mol 2. 0.2107 L^2 • atm/mol 3. 3.392 L^2 • atm/mol 4. Unable to determine 5. 2.253 L^2 • atm/mol    

Solved • Apr 20, 2020

Van der Waals Equation

Q. 13.0 moles of gas are in a 5.00 L tank at 20.5 °C. Calculate the difference in pressure between methane and an ideal gas under these conditions. The van der Waals constants for methane are a = 2.300 L^2 . atm/mol^2 and b = 0.0430 L/mol.

Solved • Apr 13, 2020

Van der Waals Equation

Q. If 1.00 mol of argon is placed in a 0.500-L container at 28.0 °C, what is the difference between the ideal pressure (as predicted by the ideal gas law) and the real pressure (as predicted by the van der Waals equation)? For argon, a = 1.345 (L^2 . atm)/ mol^2 and b = 0.03219 L/mol. Enter the pressure difference in atmospheres using two significant figures.

Solved • Apr 13, 2020

Van der Waals Equation

Q. Of the following real gases, which would be expected to have the lowest van der Waals correction for intermolecular attractions? A. H2 B. Cl2 C. NH3 D. not enough information to determine E. N2

Solved • Apr 8, 2020

Van der Waals Equation

Q. In general, real gases behave most ideally at _____ pressures and _____ temperatures. The behavior of real gases can be described using the van der Waals equation [P + (n^2a/V^2)](V-nb) = nRT The values of a and are given below for the two real gases argon and oxygen. The gas in which deviations from ideal behavior due to intermolecular forces are expected to be the smallest is _____. The gas that would be expected to behave least like an ideal gas at high pressures is _____.

Solved • Feb 12, 2020

Van der Waals Equation

Q. According to the ideal gas law, a 9.646 mol sample of argon gas in a 0.8342 L container at 504.6 K should exert a pressure of 478.8 atm. What is the percent difference between the pressure calculated using the van der Waal's equation and the ideal pressure? For Ar gas, a = 1.345L^2atm/mol^2 and b = 3.219x10^-2 L/mol.

Solved • Feb 12, 2020