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AP Chemistry

Subjects : science, ap, chemistry
  • Answer 50 questions in 15 minutes.
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  • Match each statement with the correct term.
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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. Does the same as equilibrium expression - except it uses initial concentrations

2. AX5E

3. Carbonates - Hydroxides - Oxides - Phosphates - Sulfides

4. Stronger IMF= lower... weaker IMF= higher...

5. Lowers activation energy

6. Energy needed to break a bond

7. l=3

8. The reactant in the reduction reaction that forces the oxidation reaction to occur

9. When n=4 ->2 - color=

10. Aldehyde suffix

11. Has values from -l to l - including zero; tells orientation of the orbital relative to other orbitals

12. Mol of solute/kg of solvent

13. Carbon - hydrogen - oxygen compounds

14. .69/k

15. Color of Ba (flame test)

16. r=k

17. Henry's Law - solubility of gases is directly proportional to the partial pressure of the gas

18. Wavelength symbol

19. The chemical formed when a base accepts a proton

20. Average speed of gas

21. If heat capacity isn't mentioned - you can assume that q of cal is = ?

22. The total entropy is always increasing - all systems tend towards maximum entropy

23. 0.00C - 1 atm

24. In a titration - the point where moles of acid are equal to moles of base (just before the indicator changes color)

25. (organics) eight carbons

26. Raoult's Law - relations between vapor pressure and concentrations

27. Occupies the space above and below a sigma bond

28. How to Balance a Redox Equation

29. Pure metal or metal hydride + H20 ->

30. R=

31. Organic w/ -O-

32. Energy can't be created nor destroyed

33. AX4E

34. 180 - sp

35. Energy required for liquid?gas

36. U(rms)=(3RT/M)^1/2

37. Proton acceptors - must have an unshared pair of e?s

38. Work = ?

39. MnO4?

40. C2O4?

41. These orbitals are diagonal

42. Heat required to raise the system 1C

43. Anything occupying space and with mass

44. q H2O = ?

45. Where reduction occurs

46. Group 2 metals

47. Composition Formula

48. Expresses how the concentrations depend on time

49. Absorbs/takes in heat (positive value)

50. Horizontals on the periodic table