Question:

1. What is the ratio of the average kinetic energy of SO2 molecule to that of an O2 molecule in a mixture of two gases? What is the ratio of the root mean square speeds, urms, of the two gases?

2. A 0.245-L flask contains 0.467 mol CO2 at 159 °C. Calculate the pressure:

a) Using the ideal gas law

b) Using the van der Waals equation

c) Explain the reason for the difference

d) Identify which correction (that for P or V) is dominant and why