For a cyclic process,what is true?

An endothermic reaction is one in which

Which of the following is an example of both an intensive property and a state function?

Identify the correct equation relating enthalpy $(H)$ and internal energy $(E)$.

Consider the reversible isothermal expansion of an ideal gas in a closed system at two different temperatures $T_1$ and $T_2$ $(T_1 < T_2)$. The correct graphical depiction of the dependence of work done $(|w|)$ on the final volume $(\ln V)$ is:

Which of the following processes is endothermic?