Intermolecular Forces + Gases

Intermolecular Forces + Gases

Open Ended

In the previous class, we discussed....?

Multiple Choice

Which intermolecular force will be the most powerful in a sample of ethanol?

 $C_2H_5OH$  

• Hydrogen Bonding

• London Dispersion

• Dipole-Dipole

• Ionic bonding

Multiple Choice

Which of these has the highest boiling point?

• $H_2O$

• $CO_2$

• $CH_4$

• $Kr$

• $NH_3$

Multiple Choice

A balloon has a volume of 1.20 L at 24.0°C. The balloon is heated to 48.0°C. Calculate the new volume of the balloon.

• 2.40

• 1.70

• 1.30

• 2.10

• 1.20

Multiple Choice

A sample of helium gas occupies 12.4 L at 23°C and 0.956 atm. What volume will it occupy at 40°C and 0.956 atm?

• 7.13

• 11.7

• 21.6

• 13.1

Multiple Choice

Which response includes only those compounds that can exhibit hydrogen bonding?

• $AsH_{3\ },\ H_2Te$

• $AsH_{3\ },\ CH_3NH_2$

• $CH_4,\ AsH_3,\ H_2Te$

• $CH_3NH_3,\ HF$

• $HF\ ,\ H_2Te$

Multiple Choice

Which of the following probably has the lowest boiling point at 1.00 atm?

•  $HF$  

•  $HCl$  

•  $HBr$  

•  $HI$  

•  $H_2SO_4$  

Multiple Choice

An oxygen sample has a volume of 4.50 L at 27°C and 800.0 torr. How many oxygen molecules does it contain?

• $5.8\ \times\ 10^{22}$

• $1.16\ x\ 10^{22}$

• $1.16\ x\ 10^{23}$

• $2.32\ x\ 10^{24}$

• None of the above

Multiple Choice

An oxygen sample has a volume of 4.50 L at 27°C and 800.0 torr. How many oxygen molecules does it contain?

• $5.8\ \times\ 10^{22}$

• $1.16\ x\ 10^{22}$

• $1.16\ x\ 10^{23}$

• $2.32\ x\ 10^{24}$

• None of the above