A system absorbs 432 kJ of heat and does 95 kJ of work on the surroundings. What is the change in internal energy of the system?
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We know that the first law of thermodynamics states that the change in internal energy (∆U) of a system is equal to the heat absorbed (Q) minus the work done by the system (W) on its surroundings. Mathematically, this can be represented as: ∆U = Q - W Show more…
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