Equal weights of CH4 and H2 are mixed in a container at 25oC. Fraction of total pressure exerted by methane is
1/2
1/3
1/9
8/9
Which of the following expression is true regarding gas laws? (w = weight; M = molecular mass)
By the ideal gas law, the pressure of 0.60 mole NH3 gas in a 3.00 L vessel at 25oC is
48.9 atm
4.89 atm
0.489 atm
489 atm
By what factor does the average velocity of a gaseous molecule increases, when the temperature (in Kelvin) is doubled?
1.4
2.0
2.8
4.0
The temperature at which 28 g of N2 will occupy a volume of 10.0 L at 2.46 atm is
299.6K
0oC
273 K
10oC
Vander Waals' equation of state is obeyed by real gases. For n moles of a real gas, the expression will be
