expansion work question


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expansion work question

Postby davidryan3f » Fri Mar 15, 2019 11:05 pm

If a question states that a reaction between two gasses takes place, but does not specify a volume or a change in volume, how do we know if expansion work is done?

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Re: expansion work question

Postby 405112316 » Sat Mar 16, 2019 11:37 am

If there is said to be no change in volume, then no expansion work has been done. If you are given moles and temperature, you can calculate work from -nRT. If that is positive and you are not in an isolated system, expansion work has been done.

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