CBSE · Class 11 · Chemistry · Chemical ThermodynamicsHess's Law of Constant Heat Summation is a direct consequence of:
Step-by-Step Solution
Hess's Law states that total enthalpy change during a chemical reaction is the same whether it takes place in one step or several steps. This is a direct consequence of the First Law of Thermodynamics (Law of Conservation of Energy).
Detailed Options Breakdown
Option : First Law of Thermodynamics (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 1: Second Law of Thermodynamics
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Chemical Thermodynamics.
Option 2: Third Law of Thermodynamics
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Chemical Thermodynamics.
Option 3: Zeroth Law of Thermodynamics
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Chemical Thermodynamics.
💡 Study Guide: This question tests core syllabus concepts from Chemical Thermodynamics. For formulas, key summaries, and mock exam reference guides, read the full Chemical Thermodynamics Revision Notes.