Gases

Question 1

The diagrams to the right show the distribution and arrangement of gas particles in two different containers. According to kinetic-molecular theory, which of the following statements is true? Check all that apply.

Revolt · Accepted Answer

If the temperatures of both containers are equal, container A has greater pressure than container B.; If the pressure in both containers is equal, container A has a lower temperature than container B.

Question 2

Methane (CH4) or carbon tetrachloride (CCl4):

Revolt · Accepted Answer

methane

Question 3

A sample of a gas is placed inside a cylinder that is a fixed size. The cylinder is heated as additional gas is added to it. What will most likely happen to the pressure of the gas inside the cylinder?

Revolt · Accepted Answer

It will increase.

Question 4

Fluorine (F2) or chlorine (Cl2):

Revolt · Accepted Answer

fluorine

Question 5

A container with a specific volume “V” changes to “2V.” What happens to the average distance between gas molecules? Assume that pressure and temperature of the gas remain constant.

Revolt · Accepted Answer

Increase

Question 6

Which of these changes most likely results in an increase in the volume of a gas?

Revolt · Accepted Answer

decreasing the pressure on the gas

Question 7

Identify the examples of diffusion in the list below. Check all that apply.

Revolt · Accepted Answer

A teacher takes the cap off a permanent marker. A few minutes later, students at the back of the classroom complain about the odor of the marker.; A cooking school student burns a piece of toast. Soon, the entire kitchen smells like burnt toast.; Toxic fumes produced by a chemical factory are detected in the air in a town several miles away.

Question 8

For each pair of gases, select the one that most likely has the highest rate of effusion. Use the periodic table if necessary.Oxygen (O2) or hydrogen (H2):

Revolt · Accepted Answer

hydrogen

Question 9

Nitrogen (N2) or ammonia (NH3):

Revolt · Accepted Answer

ammonia

Gases Answers

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