A system absorbs `20kJ` heat and also does `10kJ` of work. The net internal enegry of the system

Options

A. Increases by `10kJ`
B. Decreases by `10kJ`
C. Increases by `30 kJ`
D. Decreases by `30kJ`

Explanation

To solve the problem, we will use the First Law of Thermodynamics, which states:

\[ \Delta U = Q - W \]

where:
- \(\Delta U\) = change in internal energy
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