17.2 Example 2

A work of 200 J is done over a system through an adiabatic process. Calculate the change at internal energy in calories.

Solution with FisicaLab

Select the Thermodynamics group and, inside this, the Thermodynamics module. Erase the content of the chalkboard. And add one element Adiabatic process and one element Work. As show the image below:

To the element Adiabatic process, with an arbitrary mass of 1 kg, we have:

Name

0

m

1

dU

U @ cal

Now to the element Work:

W

-200

Now click in the icon Solve to get the answer:

U  =  47.769  cal ;
Status = success.