10 Questions
What is the density of a gas generally given in?
g/L
What is the volume of 1 mole of gas at STP?
22.4 L
According to Dalton's law of partial pressures, what is the total pressure exerted by a mixture of gases at constant volume and temperature?
The sum of the partial pressures of the component gases
What term refers to the gas collected in a graduated cylinder, which contains water vapor?
"Wet" gas
At what atmospheric pressure is the water temperature measured in the context of collecting a gas over water?
760 mm Hg
According to the kinetic molecular theory, which of the following is true about gas molecules?
They exhibit random, non-linear motion
What is the evidence supporting the postulate that gas molecules have elastic collisions with themselves and the container?
A sealed, confined gas exhibits no pressure drop over time
What type of behavior do almost all gases exhibit, contrary to the behavior of an ideal gas?
Deviations from ideal behavior
What does the kinetic energy of gas molecules depend on, according to the kinetic molecular theory?
The absolute temperature
Which phenomenon provides evidence for the constant, random, straight line motion of gas molecules?
Brownian motion
Test your knowledge of physical chemistry and bio-chemistry concepts with this quiz. Topics include density of gases at STP, Dalton's law of partial pressures, and more.
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