Conversion Units for Work Expansion


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KimGiang2F
Posts: 31
Joined: Fri Sep 28, 2018 12:19 am

Conversion Units for Work Expansion

Postby KimGiang2F » Sun Mar 17, 2019 6:06 pm

When converting units a problem relating to work of expansion given L•atm, are there certain conditions that would require us to use (101.325 J/ L•atm) and (8.314 J•K•mol^-1/ 0.08206 L•atm•K^-1*mol^-1)? Or can we just use any one of the conversion units?

Brian Chhoy 4I
Posts: 66
Joined: Fri Sep 28, 2018 12:16 am

Re: Conversion Units for Work Expansion

Postby Brian Chhoy 4I » Sun Mar 17, 2019 6:46 pm

Work is usually reported in Joules, so the 101.325 J/L*atm would most likely be used when you are converting the value gained from an irreversible expansion. The units of the value gained from using the equation to calculate the work done from a reversible expansion is already in the units of joules so no conversion is necessary.


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