An ideal gas in a sealed cylinder absorbs of energy by heating and then performs of…

PHYSICS · Single correct · AP · Physics 2: Algebra-based · Thermodynamics · Thermodynamics

Problem

An ideal gas in a sealed cylinder absorbs

+500\,\text{J}

of energy by heating and then performs

200\,\text{J}

of work on the surroundings. What is the resulting change in the internal energy

\Delta U

of the gas? (a)

+700\,\text{J}

(b)

+500\,\text{J}

(c)

+300\,\text{J}

(d)

-300\,\text{J}