An acid a. has a low ph in solution. b. turns red litmus paper to blue. c. releases hydroxyl ions in solution. d. has more hydroxyl than hydrogen (or hydronium) ions.

Which statement describes how phase changes can be diagrammed as a substance is heated? the phase is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the phase is on the x-axis. the time is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the time is on the x-axis.

How many atoms are in 2 moles of phosphorus

Which of the following statements best explains why chemistry is testable a) it can measure data by experiments b) it cannot add new evidence c) it cannot be verified d) it is biased