In a certain process

CHEMISTRY · Single correct · CBSE · Chemistry · Thermodynamics · Thermodynamics

Problem

In a certain process, the internal energy of a closed gas system decreases by

120\,\text{J}

while

40\,\text{J}

of energy is removed from the system by heating. What is the numerical value and sign of the work term

W

for this process? (a)

-160\,\text{J}

(b)

+80\,\text{J}

(c)

-80\,\text{J}

(d)

+160\,\text{J}