A system does 200 J of work and at the same time absorbs 150 J of heat. The magnitude of the change in internal energy is ______ J . (Nearest integer)

Question

A system does 200 J of work and at the same time absorbs 150 J of heat. The magnitude of the change in internal energy is ______ J . (Nearest integer),

MARKS App · Accepted Answer

w = - 200 J , q = + 150 : Δ U = q + w Δ U = 150 - 200 = - 50 J : magnitude = 50 J = | Δ U |

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