Quiz | Properties of Gases
Which of the following statements is incorrect?
Gases are always miscible with each other
Gases exert pressure on the walls of any container
Gas volume changes with pressure but not with temperature
Gases have relatively low densities
Which of the following relationships is a correct statement of Gay-Lussac’s law?
P/T = constant
V/T = constant
PT = constant
PV = constant
What is the units of pressure and volume in the ideal-gas equation?
Bar and L
Pa and L
Pa and m3
Atm and m3
For a gas, which pair of variables are inversely proportional to each other?
P and T
P and V
V and T
n and V
Under what conditions does a real gas come closest to the behavior of an ideal gas?
Low P and T
High P and T
High P and low T
Low P and high T
Which of the following statements is not consistent with the kinetic-molecular theory of gases?
The gas consists mostly of empty space
The collisions between the gas particles are elastic
There are interactions between the molecules in a gas: they repel or attract one another
The mean kinetic energy of the molecules in a gas is proportional to the temperature