Which of the following substances exhibits hydrogen bonding? For those that do, draw two molecules of the substance showing the hydrogen bonds between them:
i. C2H2
ii. CH3OH
iii. CH3COOH
iv. CH3COCH3

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.