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Ideal gas expanderar i volym från 10 till 50 liter i en isobar process vid 105...

Ideal gas expanderar i volym från 10 till 50 liter i en isobar process vid 105 Pa. Vad är det arbete som utförs av gasen i [kJ]?

Select one:

a. 5

b. 4

c. 3

d. 1

e. 2

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Answer #1

delta V = Vf-Vi
= (50 L - 10 L)
= 40 L
= 40 dm^3
= 0.04 m^3

w = P*delta V
= 105 Pa * 0.04
= 4 J

Answer: b

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