Asystem is in equilibrium when the rate of the forward reaction is the rate of the reverse reaction.
greater than
less than
unequal to
equal to

How has the scientific community addressed the safety of chemicals? a. chemicals are repeatedly tested, even those that have existed for a long time. b. existing chemicals are tested if they have never been tested before. c. chemicals are tested if they are suspected to have caused a problem. d. only new chemicals are tested.

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

What reaction is taking place? 02 + c3h8 = h20 + co2