Gases

Question 1

The table describes a gas stored in four different containers. Properties of Stored GasContainerProperties1· Low number of collisions with container walls· Medium average kinetic energy· Large number of particles2· Large number of collisions with container walls· Medium average kinetic energy· Small number of particles with little spaces between them3· Large number of collisions with container walls· High average kinetic energy· Large number of particles with large spaces between them4· Few collisions with container walls· Low average kinetic energy· Small number of particlesWhich container has gas stored at the highest temperature?

Revolt · Accepted Answer

3

Question 2

Which statement best describes the collisions of gas particles according to the kinetic-molecular theory?

Revolt · Accepted Answer

As particles travel in straight lines, their paths sometimes meet, and then they bounce apart with no gain or loss of energy.

Question 3

Which statement describes effusion?

Revolt · Accepted Answer

It occurs when a gas passes through a tiny hole.

Question 4

The diagram shows the movement of particles from one end of the container to the opposite end of the container.Which event is most likely occurring?

Revolt · Accepted Answer

effusion because there is a movement of a gas through a small opening into a larger volume

Question 5

The closeness of particles of gas and their low speeds allow intermolecular forces to become important at certain pressures and temperatures. Which best describes this statement?

Revolt · Accepted Answer

This is a limitation of the kinetic-molecular theory.

Question 6

Which sequence represents the relationship between temperature and volume as explained by the kinetic-molecular theory?

Revolt · Accepted Answer

higher temperature more kinetic energy more space between particles higher volume

Question 7

Which two conditions can limit the usefulness of the kinetic-molecular theory in describing gas behavior?

Revolt · Accepted Answer

high pressure and low temperatures

Question 8

According to the kinetic-molecular theory, the collision between two ideal gas particles is a result of

Revolt · Accepted Answer

neither attraction nor repulsion.

Question 9

Which observation indicates that the kinetic-molecular theory has limited use for describing a certain gas?

Revolt · Accepted Answer

Increasing collisions of gas molecules will increase energy between them.

Question 10

A graph of gas pressure versus the number of particles in a container is a straight line. Which other relationship will have a similar graph?

Revolt · Accepted Answer

volume versus temperature, because they are also directly proportional

Gases Answers

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