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What are the heat (q) sign conventions w...

What are the heat (q) sign conventions when heat is transferred from the surroundings to the system and that transferred from system to the surrounding?

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When heat is transferred from surroundings to the system its internal energy increases. So it is represented with +ve sign.
When heat is transferred from system to surroundings the internal energy of the system decreases. So it is represented with -ve sign.
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