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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. Is the ?H formation of an element in standard state zero?






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

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






4. silver compounds






5. ____ is a Lewis acid - since it can accept a lone pair - completing its stable form - which requires two electrons.






6. halides






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






8. nitrate






9. What range of indicator would you use for the following titrations. a) s.a. + s.b. b) w.a. + s.b. c) w.b. + s.a.






10. For a dibasic acid (H2A) - [A²?]= ____ ?






11. What is the conjugate acid of H2PO4?






12. How does the KE and PE of ice at 0°C compare to the KE and PE of water at 0°C?






13. To decide if a ppt forms when solutions are mixed - what is the first thing you have to remember?






14. Are weak acids (and bases) written dissociated?

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15. What does a short - sharp melting point indicate?






16. Metal hydrides are _____ and form _______ and _______ when added to water






17. What steps do organic labs consist of?






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






19. Color (absorbance) is proportional to ________






20. Ca - Sr - Ba






21. mercury (II) ion






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






23. chlorate






24. Do anions flow to the cathode or anode?






25. What is precision?






26. Esters smell like _______ and amines smell like _______ and are ______.






27. What are the signs for ?G and E° for spontaneous reactions?






28. If an electrolyte has an endothermic heat of solution - what will happen to its Ksp value when the temperature is raised? What about exothermic?






29. What is the general formula for an ester?






30. What do hydrocarbons form when they burn in air (oxygen)?






31. What do you do to get rid of most of the solution from a precipitate?






32. What is the sign of the anode in voltaic cells? in electrolytic cells?






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






34. What does the solubility of organic compounds depend on?






35. What are two allotropes of carbon?






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






37. acetates






38. ammonium






39. Alkanes are _________ and react by _________






40. What complex ion does ammonia form with silver? copper? cadmium? zinc?






41. iodine - iodine solution - iodine vapor






42. What apparatus do you use to pour liquids?






43. hydroxide






44. perchlorate






45. What is the basic structure of an optical isomer?






46. One mole of electrons carries 96500Coulombs - what is this quantity called?

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47. lead compounds






48. What process do you use to separate two liquids with different boiling points?






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






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






Can you answer 50 questions in 15 minutes?



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