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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. STP

2. Ability of an atom in a molecule to attract shared electrons to itself

3. Weakest IMFs - found in all molecules

4. PO4³?

5. How to Find an Empirical Formula Given Percentages

6. Idea Gas Law (actual rules)

7. Organic reaction in which water breaks apart a molecule (splitting into two hydroxides)

8. Kinetic Energy per mol

9. Combined Gas Law Formula

10. (organics) three carbons

11. If K<1 - then Gº>0 and reaction will be...at chemical equilibrium

12. Electrons in a hydrogen atom move around the nucleus only in circular orbits

13. Equation to find Ea from reaction rate constants at two different temperatures

14. When gas expands ...

15. Measure of the average kinetic energy of all the particles in a substance

16. If Q>Ksp

17. The chemical formed when a base accepts a proton

18. AX3E2

19. Variable for type of orbital

20. How to Find a Weighted Average

21. % yield

22. Significant Digits of Conversion Factors

23. Melting

24. Anions or cations as needed to produce a compound with non net charge

25. Specific heat of water

26. For significant digits - trailing zeros _____ significant

27. AX5

28. Matter can't be created nor destroyed

29. Group 1 metals

30. J/°Cmol or J/Kmol

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

32. 1/[A]=kt + 1/[A]0

33. A measure of resistance of an object to a change in its state of motion

34. Transition metals with ammonia - hydroxide - cyanide or thiocyanate form...

35. Reactant that's completely used up in a chemical reaction

36. PV=nRT

37. A method of investigation involving observation and theory to test scientific hypotheses

38. The entropy of a pure perfectly formed crystal @0K is 0

39. The driving force for a spontaneous is an increase in entropy of the universe

40. (organics) five carbons

41. Function in which it doesn't matter HOW the changes take place - only that they do; you can use to formula Final - Initial ( i.e. energy - pressure - volume - temperature - sort of moles)

42. The rest of the universe (in thermodynamics)

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

44. Colors of Reaction when (Cr2O7 2-) --> (Cr 3+)

45. Degree of disorder in a system

46. Change that occurs at constant temperature

47. AX5E

48. Newton's Second Law

49. Expresses how the concentrations depend on time

50. Point at which vapor pressure=air pressure above