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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?


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






3. What is the formula of butane?






4. What is the 'virtual' Ka for the complete dissociation of a dibasic acid?






5. How do you get the equation for a net electrolysis reaction?






6. carbonate






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






8. If a free element is involved - what type of reaction must be involved?






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






10. nitrates






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


12. Can you collect soluble gases over water?






13. What are isomers?






14. group 1 ions/compounds






15. What can form during the combustion of hydrocarbons in a limited supply of oxygen?






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






17. At what point during titration do you have the perfect buffer - and what is the pH at this point?






18. What is the slope of the graph of lnk vs. 1/T?






19. thiosulfate






20. What two types of substances are present in all redox reactions?






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






22. What are isotopes?






23. What are the common strong bases?






24. 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.






25. What is the conjugate acid of H2PO4?






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






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






28. What is Ksp in terms of molar solubility ('s') for an electrolyte A2B or AB2?






29. What type of compounds do Group 14 form?






30. What are allotropes?






31. What value of R do you use for thermo calculations? gas calculations?






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






33. What equipment do you need for a titration?






34. What is the general formula for an amine?






35. What is H2CO3 (carbonate acid) usually written as?






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






37. What changes Keq?






38. What is Big K in terms of kf and kr?






39. What effect does increasing the size/surface area of a voltaic cell have on the cell?






40. mercury (II) ion






41. What reacts with an acid to create hydrogen gas?






42. Does Benzene react by addition or substitution?






43. ammonium/ammonium compounds






44. Give an example of a concentrated weak acid.






45. What is the solubility of AgF - AgCl - AgBr - and AgI in water and ammonia?






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


47. What is the formula for percent yield?






48. Is magnesium oxide (and other main group metal oxides) likely to be acidic - basic or neutral?






49. acetates






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