Sweating Is a Useful Cooling Device for Humans Because Water

question 144

Multiple Choice

Sweating is a useful cooling device for humans because water

• A) absorbs a great deal of heat in changing from its liquid state to its gaseous state.
• B) absorbs a great deal of heat in changing from its solid state to its liquid state.
• C) can exist in three states at temperatures common on Earth.
• D) is an outstanding solvent.
• E) ionizes readily.

---

Definitions:

Graph

A diagram showing the relation between variable quantities, typically of two variables measured along a pair of lines at right angles.

Reactants

Materials that exist before a chemical reaction starts and are used up to create end products during the reaction.

Hydrogen Ion Acceptor

A hydrogen ion acceptor, often a base in chemical terms, is a compound that is capable of accepting a hydrogen ion (H+) from another compound, thus participating in neutralization or buffer reactions.

FAD

Flavin adenine dinucleotide, a redox-active coenzyme associated with various proteins and involved in several important enzymatic reactions in metabolism.