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AP Chemistry 2

Subjects : science, ap, chemistry
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. oxalate






2. What is the pH of a salt made from a WA/SB? SA/WB? SA/SB?






3. How many faradays of electric charge do you need to produce one mole of O2? H2?






4. When driving off water from a hydrate - how do you tell you're done?






5. Acid plus base make?






6. group 1 ions/compounds






7. What are the names and formulas of the 6 strong acids?






8. The oxidation # for acid base reactions...






9. Where are group I metals stored?






10. acetate






11. What is Ksp in terms of molar solubility ('s') for an electrolyte A2B3 A3B2?






12. When is ?G zero?






13. In equilibrium calculations for weak acids/bases - when should you ignore 'x' with respect to initial concentration of acid or base

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14. How do you explain trends in atomic properties using Coulomb's Law?






15. When can supercooling occur? What does it look like on a cooling curve?

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16. What do you use to look at burning magnesium? why?






17. What is the third law of thermodynamics?






18. If Q < Ksp a ppt ______






19. What is the name of S2Cl2? (Know how to name others like this - too)






20. What are amphoteric oxides?






21. How do you identify which is oxidized or otherwise?






22. When can supercooling occur? What does it look like on a cooling curve?

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23. Why are noble gases stable?






24. How do you clean a buret/pipette for a titration?






25. Is magnesium oxide (and other main group metal oxides) likely to be acidic - basic or neutral?






26. What is the formula for percent yield?






27. Which of the rates changes more when temperature is increased?






28. What is Big K in terms of kf and kr?






29. Do anions flow to the cathode or anode?






30. When combining half equations - what do you do to E° values when multiplying coefficients?






31. What device would you use to measure a volume of gas?






32. What is the test for oxygen?






33. hypochlorite






34. What is the energy you must put into a reaction to make it start called?






35. What are two substances that sublime at 1 atm when heated?






36. What things should you remember to do when collecting gas over water?






37. What apparatus do you use to pour liquids?






38. How are strong ones written?






39. Can you collect soluble gases over water?






40. Diphosphorus pentoxide is a typical molecular binary compound. What is its formula?






41. What apparatus do you use to separate 2 immiscible liquids?






42. What process do you use to obtain a solvent from a solution?






43. What is the general formula for alkyl halides?






44. What are the products of the reaction between group 1 metals and water?

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45. Nonmetals are good _____ agents. Metals are good _______ agents.






46. What type of compounds do Group 14 form?






47. hydroxide






48. For a weak acid solution in water - Ka = 10?6 what is Kb for its conjugate base?






49. How does the melting point of a mixture compare to the MP of a pure substance?






50. If a weak acid is diluted more - what happens to its % dissociation value?