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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. dichromate






2. Esterification is...






3. Name six characteristics of transition elements (or their compounds)






4. What is the general formula for an aldehyde?






5. What type of metals don't react with water or acids to form H2?

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6. What is an Alkyl group?

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7. If a beaker gets cold - is the reaction endothermic or exothermic? is ?H positive or negative?






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






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






10. What changes Keq?






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






12. What is the relative solubility of CO2 - HCl - NH3 - NO2 - O2 - and SO2?






13. What is the formula for percent error?






14. Is a graduated cylinder or beaker more accurate?






15. Which alkali metals float on water?






16. In equilibrium calculations for weak acids/bases - when should you ignore 'x' with respect to initial concentration of acid or base

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17. Neutralization is an ________ reaction.






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






19. What are the formulas for q?






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






21. What is HCOOCH3?






22. A Bronsted-Lowry acid is...






23. thiosulfate






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






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






26. How do you compute % dissociation?






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






28. hypochlorite






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






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






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






32. How do you dilute an acid?

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33. ammonium






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






35. What is the formula of copper (II) phosphate?






36. What shape is ammonia?






37. How does benzene compare in reactivity to alkenes?






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






39. What is the formula for obtaining charge flowing in a cell?






40. What is the formula for alkanes?






41. Diphosphorus pentoxide is a typical molecular binary compound. What is its formula?






42. What is the word equation for addition polymerisation?






43. What two compounds are great oxidizing agents?

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






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

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46. What are the prefixes used to name organic alkanes with varying number of carbon atoms? (Up to ten carbons)






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






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






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






50. When is ?G zero?