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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. Colorless doesn't mean ______






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






3. What happens to the ion concentrations of a saturated solution when it is diluted and allowed to reach equilibrium - with solid solute still present?






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






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






6. What shape is carbon dioxide?






7. copper sulfate






8. What is the conjugate base of NH3?






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






10. What variables effect the moles of substance liberated in electrolysis. (a.k.a. Faraday's Laws)






11. What equipment do you need for a titration?






12. What is the formula for alkanes?






13. halides






14. silver iodide






15. How are primary alcohols turned into acids?






16. Does Kw increase or decrease with T? Why?






17. Which value of R do you use for all energy and kinetics calculations?






18. What should you check for before you begin titrating?






19. What are isomers?






20. How do you compute % dissociation?






21. How are non-metal oxides and hydrides bonded? are they acidic or basic?






22. thiosulfate






23. State whether K is high or low and whether H2O a product or reactant for the following reactions: a) neutralization. b) dissociation in water.






24. If a free element is involved - what type of reaction must be involved?






25. What do you need to make a polymer?






26. Buffer capacity must contain decent amounts of a ________ ________






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






28. What are the prefixes for the naming of binary molecular compound formulas (up to six)






29. How do you heat a test tube?






30. What shape is water?






31. What reacts with an acid to create hydrogen gas?






32. When gas is collected over water - we must allow for leveling the water levels and for the V.P. of water. Why?






33. dichromate






34. What is reflux?






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

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36. barium sulfate






37. What do group I/II metal oxides and acids form?






38. Aromatic compounds contain what?






39. At what point during titration do you have the perfect buffer - and what is the pH at this point?






40. Why are i factors (Van't Hoff factors) often less than ideal?






41. mercury (I) ion






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






43. Color is due to ______ _______ of light.






44. Which alkali metals float on water?






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






46. Neutralization is an ________ reaction.






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






48. How do you find the pH for a dibasic acid? (H2A)?






49. What type of compounds do metals/non metals form?






50. chlorine