Consider the following data on some weak acids and weak bases acid base name formula name formula |
hypochlorous acid HCIO 3.0 × 10^-8 hydroxylamine HONH2 1.1×10^-8
hydrocyanic acid HCN 4.9 × 10^-10 aniline C6H5NH2 4.3 x 10^-10
Use this data to rank the following solutions in order of increasing pH.
Solution pH
0.1 M KCIO
0.1 M HONH3Br
0.1 M NaCN
0.1 M NaI

Part b: study of equilibrium on solubility: mg(oh)2(s) ⇌ mg2+(aq) + 2 oh–(aq) cloudy clear (pink) 7. a. b. 8. a. b. 9. 10. 11. 12. when adding concentrated hydrochloric acid, how did the appearance of the equilibrium mixture change? the change in appearance indicated a shift in the point of equilibrium. in which direction did the equilibrium shift? (l) left (r) right explain your answer to question 7a. you should indicate which ion was added to or removed from the equilibrium mixture. when adding edta, how did the appearance of the equilibrium mixture change? the change in appearance indicated a shift in the point of equilibrium. in which direction did the equilibrium shift? (l) left (r) right explain your answer to question 8a. you should indicate which ion was added to or removed from the equilibrium mixture. upon heating in which direction is the equilibrium shifting? upon cooling in which direction is the equilibrium shifting? is the forward reaction a. endothermic explain your answers to questions 9, 10, and 11. (l) left (r) right (l) left (r) right b. exothermic

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.

Give the set of reactants (including an alkyl halide and a nucleophile) that could be used to synthesize the following ether: draw the molecules on the canvas by choosing buttons from the tools (for bonds and charges), atoms, and templates toolbars, including charges where needed. ch3ch2och2ch2chch3 | ch3