Which of the following statements is true concerning ideal gases?
A)The temperature of the gas sample is directly related to the average velocity of the gas particles.
B)At STP,1.0 L of Ar(g)contains about twice the number of atoms as 1.0 L of Ne(g)since the molar mass of Ar is about twice that of Ne.
C)A gas exerts pressure as a result of the collisions of the gas molecules with the walls of the container.
D)The gas particles in a sample exert attraction for one another.
E)All of the above are false.

Question

Quizplus · Accepted Answer

The statement in option C is true, and the other statements are false. Option A is incorrect because temperature is related to the average kinetic energy, not velocity, of the gas particles. Option B is incorrect because the number of atoms in a gas sample is determined by Avogadro's law, which states that equal volumes of gases at the same temperature and pressure contain equal numbers of particles. Option D is incorrect because ideal gases do not have intermolecular attractions.

Which of the Following Statements Is True Concerning Ideal Gases