Using the black numbers on the stopwatch to answer the questions.

what is the most accurate reading of seconds as indicated by the long second hand?

look at the divisions between 2 and 4. what level of precision does this stopwatch have based on the divisions marked on its face?

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.

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned

Light waves can move through , but they travel fastest when they move through a(n) .