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Questions and Answers
Which of the following is a branch of chemistry that deals with the study of heat and energy associated with chemical reactions and physical transformations?
Which of the following is a branch of chemistry that deals with the study of heat and energy associated with chemical reactions and physical transformations?
- Organic chemistry
- Inorganic chemistry
- Analytical chemistry
- Physical chemistry (correct)
Which law states that in a chemical reaction, the total energy remains constant, and energy can neither be created nor destroyed, only converted from one form to another?
Which law states that in a chemical reaction, the total energy remains constant, and energy can neither be created nor destroyed, only converted from one form to another?
- Law of conservation of mass
- First law of thermodynamics (correct)
- Charles's law
- Boyle's law
What is the measure of disorder or randomness in a system called in the context of thermodynamics?
What is the measure of disorder or randomness in a system called in the context of thermodynamics?
- Activation energy
- Enthalpy
- Gibbs free energy
- Entropy (correct)
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