Which of the Following Statements About Energy Is False

question 51

Multiple Choice

Which of the following statements about energy is false?

• A) A reaction cannot be exothermic overall if activation energy is required.
• B) A system is the most stable when it is at its lowest energy state.
• C) Energy can be defined as whatever is required to oppose a natural tendency.
• D) Energy transferred into a system can also be transferred out of the system.
• E) An atom in an excited state can return to its ground state by releasing visible light.

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Definitions:

Hypotonic

A term referring to a solution having an osmotic pressure (or solute concentration) less than that of the solution with which it is compared. Compare with hypertonic and isotonic.

Hypertonic

A solution that has a higher concentration of solutes compared to the solute concentration inside the cell, leading to the movement of water out of the cell.

Isotonic

A term applied to solutions that have identical concentrations of solute molecules and hence the same osmotic pressure. Compare with hypertonic and hypotonic.

Vesicle

A small fluid-filled bladder, sac, cyst, or vacuole within the body or a cell.