In an Isolated System, All of the Following Are True

question 71

Multiple Choice

In an isolated system, all of the following are true of the second law of thermodynamics EXCEPT

• A) the amount of useful energy decreases.
• B) reactions cause energy to be converted from more useful to less useful forms.
• C) there is a natural tendency toward greater disorder in the organization of matter (increase in entropy).
• D) all chemical reactions release more energy than they consume.

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Definitions:

Citric Acid Cycle

A series of chemical reactions used by all aerobic organisms to generate energy through the oxidation of acetate.

Acetyl CoA

A molecule that conveys the carbon atoms within the acetyl group to the citric acid cycle (Krebs cycle) to be oxidized for energy production.

NADH

NADH stands for Nicotinamide Adenine Dinucleotide (Hydrogen), a coenzyme found in all living cells that plays a fundamental role in producing energy through the process of oxidation-reduction.

Oxidized

A chemical reaction in which a substance loses electrons, often leading to the gain of oxygen or loss of hydrogen, affecting the substance's charge and reactivity.