Thermodynamics Quiz 1

According to the first law of thermodynamics, in the usual notation,

In an isothermal process, in the usual notation,

In an isothermal process, in the usual notation,

In an adiabatic process, in the usual notation,

In an isobaric process, in the usual notation,

In an adiabatic process, in the usual notation,

In an isothermal process, in the usual notation,

In an isobaric process, in the usual notation,

In the usual notation, the isothermal work, W =

If Q and $\Delta$u are expressed in cal and W is expressed in joule, then,