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A new generator uses a gas piston system to produce energy. It was determined that during an operation, the cylinder is filled with 0.260L fuel gas that when ignited, can produce a pressure of 2.12 atm while expanding up to 1.50 L. How much energy in J is needed to move the piston? Show the solution.

Respuesta :

A gas piston is a system that is used in the generators to produce energy. With the change in the volume of the piston at the constant pressure, the energy in joules is, 266.49 J.

What is energy?

The energy of the system is given by the negative product of the pressure and the change in the volume.

Given,

Pressure = 2.12 atm

Initial volume = 0.260 L

Final volume = 1.50 L

Energy = -PΔV

= - (2.12) (1.24)

= - 2.63 L. atm

Converting the units:

1 L atm = 101.325 J

-2.63 L atm = 266.49 J

Therefore, 266.49 J is the energy.

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