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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. ____ is a Lewis acid - since it can accept a lone pair - completing its stable form - which requires two electrons.






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






3. What do metal oxides plus acids form?






4. If Q < Ksp a ppt ______






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

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6. What shape is water?






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






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






9. sulfates






10. ________ are Lewis bases - because they can donate a lone pair of electrons.






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






12. What is the formula of butane?






13. dichromate (soln + most solids)






14. What is Ksp in terms of molar solubility ('s') for an electrolyte AB?






15. What are isomers?






16. How are primary alcohols turned into acids?






17. Is the ?H formation of an element in standard state zero?






18. When a cell is 'flat' What is its voltage?






19. barium sulfate






20. mercury (II) ion






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






22. How do you identify which is oxidized or otherwise?






23. What do metal oxides plus non- metal oxides form?






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






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






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






27. Give an example of a concentrated weak acid.






28. What is HCOOCH3?






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






30. How can metals like iron and zinc be reduced?






31. How are more active metals reduced?






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






33. Is the standard entropy (S°) of an element zero?






34. What do you need to make a polymer?






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

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36. Name some properties of Group 17






37. Both Acetic acid and ____________ are also functional isomers.






38. Lattice energy is high for ions with _____ size and _____ charge






39. How do you explain trends in atomic properties using Coulomb's Law?






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






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






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

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43. Can you collect soluble gases over water?






44. Generally - which oxy acid is strongest?






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






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






47. What is precision?






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






49. What is a dipeptide? polypeptide? protein?






50. chlorite