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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. What shape is carbon dioxide?






2. If Q < Ksp a ppt ______






3. chromate






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






5. What is the second law of thermodynamics?






6. What is the general formula for an amine?






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






8. What is the relationship in strength between sigma and pi bonds?






9. Generally - which oxy acid is strongest?






10. Does the electrolyte with the lowest Ksp value have to be the least soluble? Why?






11. If Q > Ksp - then system shifts _______ and ppt ______






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






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






14. acetates






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






16. What is the general formula for an ester?






17. phosphate






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






19. Ca - Sr - Ba






20. What are two allotropes of carbon?






21. What is accuracy?






22. What process do you use to obtain the solute from a solution?






23. What is a dipeptide? polypeptide? protein?






24. What is the general formula for an aldehyde?






25. What is the general formula for alkyl halides?






26. How do you compute % dissociation?






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






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






29. dihydrogen phosphate






30. Aromatic compounds contain what?






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






32. If ?S is positive - are the products more or less chaotic than the reactants?






33. What do nonmetal oxides plus water form?






34. What do the 'a' and 'b' in Van Der Waal's equation allow for?






35. What do acids plus active metals form?






36. What is the formula for percent error?






37. What type of compounds do Group 14 form?






38. phosphates






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






40. What element is used to vulcanize rubber?






41. What is the relationship between Rate and Molar Mass for two gases? Velocity and Temperature? Energy and Temperature?






42. What is an Alkyl group?

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43. What happens to the ion concentrations of a saturated solution when it is diluted and no solid solute remains?






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






45. What shape is water?






46. Why are noble gases stable?






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






48. What is the conjugate acid of H2PO4?






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






50. hydroxide