davidcharlespark davidcharlespark

24-10-2020
Chemistry

contestada

The value of E for a system that performs 120 kJ of work on its surroundings and gains 50kJ of heat is ___?

Respuesta :

bblake001 bblake001

24-12-2020

Answer:

-70

Explanation:

work is being done, so 120 will be negative, heat is being gained, so 50 will be positive.

Delta E = -120 + 50 = -70 kJ

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