The vapor pressure of liquid propyl amine , C 3 H 7 NH 2 , is 100 mm Hg at 274 K
ID: 930821 • Letter: T
Question
The vapor pressure of liquid propyl amine, C3H7NH2, is 100 mm Hg at 274 K.
A sample of C3H7NH2 is placed in a closed, evacuated 589 mL container at a temperature of 274 K. It is found that all of the C3H7NH2 is in the vapor phase and that the pressure is 66.0 mm Hg. If the volume of the container is reduced to 334 mL at constant temperature, which of the following statements are correct?
Choose all that apply.
Some of the vapor initially present will condense.
Only propyl amine vapor will be present.
Liquid propyl amine will be present.
No condensation will occur.
The pressure in the container will be 116 mm Hg.
Explanation / Answer
For the given experiment the true statements would be,
- the pressure in the container would be 116 mmHg
- Some of the vapor present will condense
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