6. At 180 °C, the decomposition of a gaseous compound XO2 is a first order reaction with the half-life 38.6 min. The initial pressure of XO2 is 372.5 kPa.
a) What is the rate of decomposition of XO2 after 1 hour?

The size (radius) of an oxygen molecule is about 2.0 ×10−10m. make a rough estimate of the pressure at which the finite volume of the molecules should cause noticeable deviations from ideal-gas behavior at ordinary temperatures (t= 300k ). assume that deviatons would be noticeable when volume of the gas per molecule equals the volume of the molecule itself.