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A system is provided 50J of heat and wor...

A system is provided `50J` of heat and work done on the system is `20J`. What is the change in the internal enegry?

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q = 50 J and `W=+10 J` (work done on the system). Now, `Delta E = q+W = 50 +10` or `Delta E = 60 J`
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