Notes Sept 26 2013 Test Material 3 4 end of 3 4 except spectroscopy 5 1 5 2 Acid Concentration pH pH log H3O or H3O 10 ph pH 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 100 10 1 10 2 10 3 10 4 10 5 10 6 10 7 10 8 10 9 10 10 10 11 10 12 10 13 10 14 ConcepTest A vinegar sample has a pH 2 8 3 17E 3 M Which solution has twice the H3O A pH 5 6 B pH 1 4 2 5E 6 C H3O 3 2E 3 D none of these 3 9E 2 Titration Acid base 1 Makes an acid 2 Makes a base 3 Mix react acid and base TITRATION Acid base water salt Titration calculation What is the molarity of a KOH solution if 38 7 mL of the KOH solution is required to react with 43 2 mL of a 0 223 M HCl solution KOH HCl KCl H2O NIE OH H H2O ConcepTest How many mL of a 2 4 M NaCl solution will it take to make 10 mL of 4 8 NaCl solution A 20 mL B 10 mL C 5 mL D none of these This is NOT a dilution problem BE CAREFUL both solutions are NaCl Dilution mL 2 4 NaCl H2O 10 mL 48 M NaCl If all you re doing is adding more water to it it is not a dilution To get more sick you have to get rid of the water so it is not a dilution Energy Basics Thermodynamics Thermochemistry Basic Energy Principles Definitons Heat Capacity State Functions Changes of State ConcepTest Which statements have an accurate match with the energy type I ball just dropped kinetic energy potential energy II ball on edge of table potential energy correct III ball smashes on floor kinetic energy correct A I III B I III C II III D I II III Thermodynamics Energy Potential energy Kinetic Energy Transfer of Heat Exothermic reactions Endothermic reactions ConcepTest In a lab experiment where the system is a calorimeter vessel the heat to be measured is generated in the I System where experiment happened II Surroundings everything around experiment III Universe system surroundings AI B II C III D I III E II III F I III III Basic Energy Principle ConcepTest If the specific heat for water is 4 186 J gC what is the molar heat capacity for water A 0 232 J molC B 75 3 J molC C 18 J molC D 4 186 J molC E none of these Heat q Amount x specific heat x T