The Second Law of Thermodynamics States That

question 76

Multiple Choice

The second law of thermodynamics states that .

• A) ΔH°_rxn = 3 nΔH°_f (products) - 3 mΔH°_f (reactants)
• B) for any spontaneous process, the entropy of the universe increases
• C) ΔS = q_rev/T at constant temperature
• D) ΔE = q + w
• E) the entropy of a pure crystalline substance is zero at absolute zero

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Definitions:

Half-life

The time required for the concentration of a substance in the body to decrease by half, often used in the context of drug metabolism.

Substance Use

The ingestion, inhalation, injection, or application of psychoactive substances, which may lead to addiction in some individuals.

Biotransformation

The chemical alteration of substances within the body, such as the metabolizing of medications or toxins by the liver.

Alcohol

A psychoactive substance that is widely consumed in various cultures for its intoxicating effects, but can lead to dependence and health problems when abused.