A system absorbs $600$ J of heat and work equivalent to $300$ J on its surroundings.
The change in internal energy is:

300 J

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400 J

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500 J

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600 J

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Solution

The correct option is A $300 J$
$Δ U =$ change in internal energy

$W = - 300 J$ (System)

$Δ U =$ q+W

$Δ U = 600 J - 300 J = 300 J$

Thus, the change in internal energy is 300J

Hence, the correct option is $A$

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A system absorbs 600 J of heat and work equivalent to 300 J on its surroundings. The change in internal energy is:

The correct option is A 300JΔU= change in internal energyW=−300J(System)ΔU= q+W ΔU=600J−300J=300JThus, the change in internal energy is 300JHence, the correct option is A

A system absorbs $600$ J of heat and work equivalent to $300$ J on its surroundings.
The change in internal energy is:

The correct option is A $300 J$
$Δ U =$ change in internal energy

$W = - 300 J$ (System)

$Δ U =$ q+W

$Δ U = 600 J - 300 J = 300 J$

Thus, the change in internal energy is 300J

Hence, the correct option is $A$