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A piston performs work of 210. L·atm on the surroundings, while the cylinder in which it is placed expands from 12 L to 27 L. At the same time, 45 J of heat is transferred from the surroundings to the system. Against what pressure was the piston working?

Respuesta :

bogadu

Answer:

14atm

Explanation:

to solve this, equate the work done by the piston to the change in volume of the cylinder.

work done by the piston w = PV = 210

i.e. 210 L atm = (27 -12) L

     210 = 15

            = 14atm

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