During the reversible expansion of an ideal gas from volume V1 to V2, at constant temperature T, the work done on the gas is
1
\(W=-nRTm \log \dfrac{V_2}{V_1}\)
2
\(W=2.303 nRT \log \dfrac{V_1}{V_2}\)
3
\(W=\dfrac{nR}{T}\log \dfrac{V_1}{V_2}\)
4
\(W=-nRT (V_2 - V_1)\)