AP Chem 3.4 Part III and 3.5 Quiz

Determine the mole fraction of argon in a mixture of 0.43 moles of argon mixed with 3.2 moles of carbon tetrachloride (CCl4).

• .01

• .12

• 1.5

• .09

The KMT says that when gas molecules collide they slow down.

• True

• False

Tags

NGSS.HS-PS3-4

At standard temperature and pressure, the KE_ave of .60 mol O₂ compared to .60 mol H₂ ........

• would be greater.

• would be smaller.

• would be the same.

9. Which gas below would have a greater rate of diffusion?

• CH₄

• I₂

• O₂

• Xe

Indicate which of the following gas particles would have the greatest velocity (V_rms).

• He

• Ne

• O₂

Tags

NGSS.HS-PS3-2

Compare the 100 K curve and the 1000 K curve.  Which is the correct explanation?

• You can’t really tell anything about how fast the molecules are moving.

• There are proportionally more molecules moving faster on the 100 K curve.

• There are proportionally more molecules moving slower on the 100 K curve.

Tags

NGSS.HS-PS1-5

Indicate which of the following gas particles would have the greatest velocity (V_rms).

• He

• Ne

• O₂

Tags

NGSS.HS-PS3-2

At standard temperature and pressure, the KE_ave of .60 mol O₂ compared to .60 mol H₂ ........

• would be greater.

• would be smaller.

• would be the same.

This diagram demonstrates gas .....

• diffusion

• illusion

• effusion

Identify the type of the reaction for the following:

H₂O₂ yields O₂ + H₂O

• decomposition

• single replacement

• combustion

• synthesis