Thermodynamics ...

For the reaction : $${ Cl }_{ 2 }(g) \longrightarrow 2{ Cl }(g),$$ _________

$$\Delta$$G is the net energy available to do useful work and is a measure of free energy. If a reaction has positive enthalpy change and positive entropy change, under what conditions will the reaction be spontaneous?

Hess's law is applicable for the determination of heat of ________.

Which of the following statements regarding Gibb's energy change is correct?

The total entropy change ($$\Delta S_{total}$$) for the system and surroundings of a spontaneous process is given by :

$$\Delta$$ U = q + w, is mathematical expression for:

For a reaction to be spontaneous at any temperature, the conditions are:

Which of the following statements is not correct?

A reaction proceeds through two paths I and II to convert $$X$$ $$\rightarrow$$ $$Z$$. What is the correct relationship between $$Q$$, $$Q_1$$ and $$Q_2$$ ($$Q$$ represents a change in internal energy, here) ?

According to the first law of thermodynamics, $$\Delta U = q + w$$. In special cases the statement can be expressed in different ways. Which of the following is not a correct expression?