you place a balloon in a closed vaccum chamber at standard temperature, chemistry homework

Chemistry
Tutor: None Selected Time limit: 1 Day

and pressure STP  you decrease the  chamber temperature by half but keep the pressure constant  what happens to the balloon

it stays the same volume

it reduces in size by half

it expands to four times the orginal volume

it doubles in volume

Jan 15th, 2016

Thank you for the opportunity to help you with your question!

So if you decrease the temperature, then something else has to change in the system. You are told that the pressure remains constant.

That means that the only other option for change would be the volume.

Volume and temperature are directly proportional (PV = nRT).  They are on opposite sides of the equation so that when one increases, the other will have to increase as well.

So if the temperature is reduced by 1/2, then the volume will be reduced by 1/2 as well.

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jan 15th, 2016

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