4.2 Consider

1.5mol

of methane gas in a

32.414dm^(3)

vessel at

298K

. The van der Waals constants for methane gas are

a

/atm

L^(2)mol^(-2)=2.273

, and

(b)/(10^(-2))Lmol^(-1)=4.31

. The universal gas constant is

(R)/(J)mol^(-1)K^(-1)=8.3145

.\ i. Express each van der Waals constant in SI units.\ ii. Calculate perfect gas pressure of sample in kPa. Express your result in SI units.\

2

\ iii. Calculate as van der Waals gas the pressure. Express your result in SI units.\ Express all your answers in 5 significant figures

2 Consider 1.5mol of methane gas in a 32.414dm3 vessel at 298K. The van der Waals constants for methane gas are a/ atm L2mol2=2.273, and b/102Lmol1=4.31. The universal gas constant is R/Jmol1K1=8.3145. i. Express each van der Waals constant in SI units. ii. Calculate perfect gas pressure of sample in kPa. Express your result in SI units. iii. Calculate as van der Waals gas the pressure. Express your result in SI units. Express all your answers in 5 significant figures