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Many mammals control their body temperature by sweating. Which property of water is most directly
responsible for the ability of sweat to lower body temperature?
the absorption of heat by the breaking of hydrogen bonds
The bonds that are broken when water vaporizes are
hydrogen bonds between water molecules
Which of the following is a hydrophobic material?
wax
We can be sure that a mole of table sugar and a mole of vitamin C are equal in their
number of molecules
Measurements show that the pH of a particular lake is 4.0. What is the hydrogen ion concentration of
the lake?
10-4M
what is the hydroxide ion concentration of the lake described in question 5?
10-10M