Which of the following processes is endothermic?

In an exothermic reaction,the reactants:

The total number of intensive properties from the following is $........$.
Volume,Molar heat capacity,Molarity,$E^{\theta}_{cell}$,Gibbs free energy change,Molar mass,Mole

Identify the pair of intensive properties from the following.

$A$ certain mass of a gas was brought from state $A$ to $B$ by following three different paths, namely $1$, $2$ and $3$, respectively. Which of the following relations is correct for the work done?

Among the quantities,density $(\rho)$,temperature $(T)$,enthalpy $(H)$,heat capacity $(C_p)$,volume $(V)$ and pressure $(p)$,a set of intensive variables are