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

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2. What is the formula for percent error?






3. lead compounds






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






5. What do you do to Keq when you combine 2 reactions - reverse an equation - or halve coefficients?






6. BaSO4






7. Acidic gases like SO2 in the atmosphere cause what environmental problems?






8. Group 14 shows non-metal and metal characteristics. What two oxidation states do the elements in group 14 exist in?






9. What is precision?






10. What type of solutions do small - highly charged cations tend to form?






11. The definition of acidic basic and neutral aqueous solutions is:






12. What electrons are lost/gained first in transition element ions?






13. acetate






14. Does Benzene react by addition or substitution?






15. What are isotopes?






16. What type of compounds are almost always colored?






17. How do you compute % dissociation?






18. What shape is carbon dioxide?






19. ammonium






20. Do you use J or kJ for ?H - ?S - and ?G?






21. When is ?G zero?






22. hydroxides






23. What is the conjugate acid of H2PO4?






24. What do you use for an acid spill? base spill?






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






26. What are two allotropes of carbon?






27. Name C7H16






28. acetates






29. What is the formula of butane?






30. What are isomers?






31. nitrate






32. What is the general formula for an alcohol?






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






34. Is a graduated cylinder or beaker more accurate?






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

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






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






38. A Bronsted-Lowry acid is...






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

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






41. copper sulfate






42. What is the test for oxygen?






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






44. What is the formula for percent yield?






45. Ca - Sr - Ba






46. chromate ion (soln + most solids)






47. halides






48. iodine - iodine solution - iodine vapor






49. What is the general formula for a ketone?






50. What do group I/II metal oxides plus water form?







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