`500cm^(3)` of a sample of an ideal gas is compressed by an average pressure of `0.1 atm` of `250 cm^(3)`. During this process, `10J` of heat flows out to the surroundings. Calculate the change in internal enegry of the system.

Explanation

To solve the problem, we will use the first law of thermodynamics, which states:

\[ \Delta U = Q + W \]

Where:
- \(\Delta U\) is the change in internal energy,
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