Gas Effusion Rates
Which of the following statements best describes Graham's law?
A
When a system at equilibrium is disturbed, it shifts to counteract the disturbance.
B
The volume of a gas increases as the pressure exerted on it decreases.
C
The rate of effusion of a gas is inversely proportional to the square root of its molar mass.
D
The rate of effusion of a gas is directly proportional to its molar mass.
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