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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. Give an example of a dilute strong acid.






2. What are allotropes?






3. The oxidation numbers of the metals or nonmetals ___________ during such a reaction






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






5. phosphates






6. dihydrogen phosphate






7. How are metal oxides and hydrides bonded? are they acidic or basic?






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

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






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






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






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






13. mercury (I) ion






14. Ions are not ______.






15. What word is a clue for a redox reaction?






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






17. How do you heat a test tube?






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






19. Ca - Sr - Ba






20. silver compounds






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






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






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






24. hypochlorite






25. When a cell is 'flat' a.k.a 'reached equilibrium' - what is its ?G value?






26. How many normal boiling points and boiling points are there?

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27. Flame tests for certain metal ions (simple emission spectra) gives which colors for potassium - sodium - lithium - copper - barium






28. For what types of substances does the solid/liquid equilibrium line on a phase diagram slope LEFT?






29. What are the bond angles and hybridization for a carbon with 4 sigma bonds? one double bond? two double bonds? one triple bond?






30. What are the products for these common oxidizing agents? MnO4? - CrO4²? - Cr2O7²?






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






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






33. What are hybrid orbitals used for?






34. When the salt bridge is removed what happens to the cell reaction?






35. What is the second law of thermodynamics?






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






37. mercury (II) ion






38. If Q < Ksp a ppt ______






39. bromine






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






41. What is the test for oxygen?






42. What is the formula for percent error?






43. thiosulfate






44. What is the difference between equivalence point and end point of a titration.






45. permanganate






46. What is the general formula for an ester?






47. sulfate






48. dichromate






49. When is ?G zero?






50. dichromate (soln + most solids)






Can you answer 50 questions in 15 minutes?



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