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AP Chemistry

Subjects : science, ap, chemistry
  • Answer 50 questions in 15 minutes.
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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. Where oxidation occurs

2. AX6

3. Energy required for melting to occur

4. Metal oxide + H20 ->

5. A solution that resists a change in its pH

6. Compound in which there is a bond between a metal and a non-metal; when naming - pay attention to ionic charges on periodic table (may be reduced)

7. Arrhenius equation

8. In ideal gas law problem - when it says "atmospheric" ...

9. Elements in groups 3-12

10. For colligative properties for electrolytes - the # of mols of ions/ mols of solute

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

12. Specific heat of water

13. We cannot simultaneously determine an atom's exact path or location

14. Polyatomic Ions (bonding)

15. 1.Calculate moles of each atom in molecule 2.Divide each mole number by smallest mole number 3.If necessary - multiply every mole number to get a whole number 4.Moles of each atom is subscript in empirical formula

16. When n=3 ->2 - color=

17. Molecules' tendency to stick to one another

18. Heat capacity formula

19. Osmotic pressure formula

20. Ionizes to produce H+ ions

21. H+ Acceptor

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

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

24. q cal = ?

25. How to Find an Empirical Formula Given Grams

26. Generally insoluble anions (names)

27. Energy needed to vaporize a mole of a liquid

28. Theoretical yield-experimental yield/theoretical yieldx100

29. Volume of gas @STP

30. 1/[A] vs. time is a ...-order reaction

31. Absorbs/takes in heat (positive value)

32. S?

33. Dirrect Method Formula

34. Group 1 - Ammonium - Nitrates - Acetates - Sulfates - Halides

35. Determined by the formula h/m(in kg)v - (v=velocity)

36. The reactant that is being reduced - brings about oxidation

37. For significant digits - trailing zeros _____ significant

38. Work = ?

39. (organics) eight carbons

40. Ionizes to produce OH- Ions

41. Organic w/ -NH2

42. Anything occupying space and with mass

43. Half-life equation

44. The heat changed in a chemical reaction.

45. Ptotal=Pa+Pb+Pc....

46. R=

47. Liquid to solid

48. Oxidation # of Hydrogen

49. Instrument used to measure the pressure of atmospheric gas

50. High-speed electrons