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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. Temperature-pressure combination at which solid - liquid - and gas states appear

2. How to Balance a Redox Equation

3. Liquid to solid

4. The transfer of energy between two objects due to temperature difference

5. The part of the universe one is focused upon (in thermodynamics)

6. 180 - sp

7. High-speed electrons

8. Bomb Calorimeter

9. Does the same as equilibrium expression - except it uses initial concentrations

10. Electron pairs found in the space between the atoms

11. A weak acid that changes color at or near the equivalence point

12. The rest of the universe (in thermodynamics)

13. Speed of Diffusion/Effusion formula

14. Driving force of the electrons

15. Spontaneous emission of radiation

16. [A]=-kt + [A]0

17. Energy needed to vaporize a mole of a liquid

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

19. Generally insoluble anions (names)

20. Pure metal or metal hydride + H20 ->

21. Substances that form OH- when dissolved in water; proton acceptors

22. Hydroxides are soluble or insoluble?

23. Lowers activation energy

24. (organics) four carbons

25. PV=nRT

26. Solid to gas

27. The minimum energy that molecules must possess for collisions to be effective - Ea

28. Temperature-pressure point after which gas can no longer form liquid

29. Change in Energy (AE) = ? (in terms of work)

30. Different form of same element

31. STP

32. Kinetic Energy is proportional to ______

33. Oxidation # of Compounds

34. A homogeneous mixture with 1 phase

35. (msubs) Can only be +1/2 or -1/2

36. Ester suffix

37. Two molecules with identical connectivity but different geometries

38. Forward rxn occurs when

39. Molecules' tendency to stick to one another

40. NO2?

41. For significant digits - leading zeros ____ significant

42. Calculation from K to C

43. Energy needed to break a bond

44. Force acting over distance

45. Change in moles (An) =?

46. Atoms with the same number of protons but a different number of neutrons

47. K=[C]^l[D]^m/[A]^j[B]^k; products/reactants; solids don't count

48. Heat capacity formula

49. When more than one valid Lewis structure can be written for a particular molecule; represented by double-headed arrows

50. r=k[A]^2