SSSingh SSSingh

14-02-2021
Chemistry

contestada

A system releases 481 kJ of heat while 390 kJ of work is done on the system. What is the change in internal
energy?

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14-02-2021

Answer:

ΔE = q + w

here q = -136 kj

w = 146

so ΔE = -136 + 146 = 10 kj

thus internal energy of system increases by 10 kj...

I hope this helps! :) I don't know if it's the right one

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