High School

A gas absorbs 14.4 J of heat and then performs 39.1 J of work. The change in internal energy of the gas is Write your calculations in a piece of paper. You will upload a clear photo of your calculatio

Answer :

Final answer:

The change in internal energy of the gas is -24.7 J.

Explanation:

To calculate the change in internal energy of the gas, we can use the equation:

ΔU = Q - W

where ΔU is the change in internal energy, Q is the heat added to the system, and W is the work done by the system.

Given:

  • Q = 14.4 J (heat absorbed)
  • W = 39.1 J (work done)

Substituting the given values into the equation:

ΔU = 14.4 J - 39.1 J

Calculating the difference:

ΔU = -24.7 J

Therefore, the change in internal energy of the gas is -24.7 J.

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