Is it possible for kinetic energy to be transferred to potential?

How many moles are in 43.9 l of oxygen

How does the value of the equilibrium constant show that a reaction reaches equilibrium very quickly? (a) the equilibrium constant is large. (b) the equilibrium constant is small. (c) the equilibrium constant is zero. (d) the value of the equilibrium constant does not show how quickly a reaction comes to equilibrium.

How many moles of water are created if 3 moles of hydrogen react completely with excess oxygen?