Asked by Bobrisky
calculate the work done and the heat liberated in the isothermal expansion of a gas of volume1.80L from pressure of 252kpa to a pressure of 125K pa?
Answers
Answered by
bobpursley
work=nRT * ln (Vf/Vi)
remembering Vf/Vi =Pi/Pf
work=nRT * Ln (Pi/Pf)
and n= PV/RT=PiVi/RT
work=PiVi*ln(Pi/Pf)
see http://bcs.whfreeman.com/webpub/Ektron/FRKT%20College%20Physics%201e/Pocket%20Worked%20Examples/FRKT%20PWE%2015-3%20-%20An%20Isothermal%20Expansion.pdf
remembering Vf/Vi =Pi/Pf
work=nRT * Ln (Pi/Pf)
and n= PV/RT=PiVi/RT
work=PiVi*ln(Pi/Pf)
see http://bcs.whfreeman.com/webpub/Ektron/FRKT%20College%20Physics%201e/Pocket%20Worked%20Examples/FRKT%20PWE%2015-3%20-%20An%20Isothermal%20Expansion.pdf
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