Thermodynamics is not concerned about:
| 1. | Energy changes involved in a chemical reaction. |
| 2. | The extent to which a chemical reaction proceeds. |
| 3. | The rate at which a reaction proceeds. |
| 4. | The feasibility of a chemical reaction. |
Hint: Chemical kinetics tells about the rate of reaction.
Explanation:
Thermodynamics is a branch of physics that deals with heat and its relation to other forms of energy and work. It is concerned with the initial and final states of a system and the energy changes involved in transformations, as well as the feasibility and extent of a reaction.
However, it does not concern itself with the rate at which a reaction proceeds or the mechanism by which it occurs. The study of reaction rates falls under chemical kinetics, as stated in the hint provided in the image.
Hence, option 3 is the correct answer.
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