The subject matter of thermodynamics comprises

energy transformations in a system.

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mass changes in moleculer reactions.

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total energy of systems.

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rates of chemical reactions.

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Solution

The correct option is A total energy of systems.
Thermodynamics deals with the subject when one form of energy is converted to another form. This states that heat is one form of energy and is therefore subject to the principle of conservation.

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Similar questions

Thermodynamics mainly deals with
(a) interrelation of various forms of energy and their transformation from one form to another.
(b) energy changes in the processes which depend only on initial and final states of the microscopic systems containing a few molecules.
(c) how and at what rate these energy transformations are carried out.
(d) the system in equilibrium state or moving from one equilibrium state to another equilibrium state.

Thermodynamics is not concerned about
(a) energy changes involved in a chemical reaction
(b) the extent to which a chemical reaction proceeds
(c) the rate at which a reaction proceeds
(d) the feasibility of a chemical reaction

Q. In thermodynamic equilibrium there are no net ____________ flows of matter or of energy, either within a system or between systems.

Q. The pressure-volume diagram of a system undergoing thermodynamic transformation is shown in figure. The work done on the system in going from