When do waves interfere constructively

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.

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.

An observation that requires measurement is called quantitative observable or qualitative