Question

You watch water falling from the top of a waterfall to the bottom characterize this physical phenomenon in terms of spontaneity? What if you wanted to move the water from the bottom of the falls to the top---how would you characterize that reaction?

Answer 1

Water(Top) -----> water (bottom) Delta G =-ve
Water (Bottom) ---->Water(Top) delta G =+ve

Answer 2

you wanted this or something else :)