Question

what happens when delta U=0
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Answer 1

Answer:

In an isothermal process, the energy exchanged as heat (q) equals the amount of work done by the system (q = -w) so any heat energy from the process is cancelled out by work, and consequently delta U is 0.

Answer 2

Explanation:

if ∆U =0

it means the enthalpy or heat energy of reactants n products is same