How does Gibbs free energy predict spontaneity? O A. If AG< 0, the reaction is spontaneous.
O B. If AG = TAS, the reaction is spontaneous.
O C. If AG = 0, the reaction is spontaneous.
O D. If AG > 0, the reaction is spontaneous.

After cloud droplets form, what must happen to them for precipitation to occur?

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °c). if the ball is then played with outside where the temperature is 7.5 °c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm