Chemical Thermodynamics

Which of the following mathematical equations represents the First Law of Thermodynamics?

A system in which neither matter nor energy can be exchanged with the surroundings is called a/an:

Which of the following is an intensive property of a thermodynamic system?

Which of the following thermodynamic quantities is a path function?

For an exothermic reaction, the sign of the enthalpy change ($\Delta H$) is always:

What is the relationship between enthalpy change ($\Delta H$) and internal energy change ($\Delta U$) for a gaseous reaction?

Hess's Law of Constant Heat Summation is a direct consequence of:

By convention, the standard enthalpy of formation ($\Delta_f H^\circ$) of an element in its reference (standard) state is taken as:

A process is always spontaneous at all temperatures if:

What is the condition for a chemical reaction to be at equilibrium in terms of Gibbs free energy change ($\Delta G$)?