Entropy never decreases unless it increases somewhere else by at least an equal amount. Name two everyday devices that reduce entropy somewhere while increasing it somewhere else.

What problem would a person have if the nucleic acid in one of his or her cells were damaged?

Which of the following statements about acidic water is true? a. acid has no effect on the h,o molecules. b. the solution contains a larger number of oh ions than h,o ions. c. the solution contains a larger number of h,o ions than qh ions. d. the solution contains an equal number of h,o ions and oh ions. none of the above e.

Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change