1.What is the shape of water? 2.What is autoionization, and how is it important for water? 3.Name the three non-covalent forces discussed in this module. 4.What type of non-covalent interaction is known as the strongest dipole-dipole force? 5.Would the following be a hydrogen donor or acceptor? Or both? 6.How does the strength of London forces change with increasing molecular weight? Explain briefly. 7.Calculate the pH of a solution containing 0.12 M of OH– . 8.If a solution contains 0.00023M of H+, then what is the OH – concentration? 9.If a solution contains 1.67 x 10-8 M OH – , then what is H + concentration? 10.A solution contains H+ at a concentration of 1.67 x 10-6 M. Is the solution acidic, basic, or neutral? Explain briefly. 11.What is the concentration, in M, of water as a pure liquid? 12.Define Keq and K w . 13.Identify the acid, conjugate base, and proton in the following reaction. 14.A buffer system has a pKa of 8.5. What is its effective buffering range? 15.A buffer system has [H +] = 1.2 x 10 -6 , [A – ] = 1.2 x 10 -6 , and [HA] = 3.2 x 10 -5 . What is its corresponding Ka value? 16.A buffer system has [H +] = 1.2 x 10 -6 , [A – ] = 1.2 x 10 -6 , and [HA] = 3.2 x 10 -5 . What is its corresponding Ka value? 17.Ice melts at room temperature. What is the sign for Δ G in this reaction? 18.Butane combusts in the air by the following reaction: C 4 H 10 (l) + 6.5 O2 (g) ⟶ 4 CO 2 (g) + 5 H 2 O (g) What is the sign (+ or -) of Δ G, Δ H, and Δ S in this reaction? 19. What is the role of ATP in helping a non-spontaneous reaction