A reaction requires 4 min 15 sec to complete. Which of the following is equal to that amount of time?

3) in peaches, [oh]=3.16x10-11 m a) find [h+ ] b) what is the ph? c) is the solution acidic, basic, or neutral?

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

Suppose that some of the compound spilled out of the crucible after it was heated. would that cause the percent by mass of water in the compound determined by the experiment to be too low, too high, or unchanged? briefly explain your answer.