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AP Chemistry

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. When n=6 ->2 - color=






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






3. Ptotal=P1+P2+P3+...

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4. 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)






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






6. Group 2 metals






7. Significant Digits of Conversion Factors






8. AX4E






9. Phase change from gas to solid






10. Faraday's constant






11. 1 sigma bond - 1 pi bond






12. Elements in groups 3-12






13. Positive enthalpy - heat flows into system






14. Where there are no electrons






15. ln[A] vs. time is a ...-order reaction






16. Negative enthalpy - heat flows into surroundings






17. Cr2O7²?






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






19. A solution used in titrations whose concentration is known






20. q cal = ?






21. (organics) seven carbons






22. kb of water






23. C=2.9979*10^8 m/s






24. Amount of gravitational force exerted on an object






25. #NAME?






26. Like dissolves...






27. Oxidation # of free elements






28. Heat needed to change 1 g of substance to 1°C






29. K






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






31. Resistance to flow






32. Color of Cs (flame test)






33. SO4²?






34. Colors of Reaction when (MnO4 -) --> (Mn2+)






35. Compound in which there is a bond between two non-metals; when naming them you use the numerical prefixes (may NOT be reduced i.e. S2F4 may not become SF2)






36. Average speed of gas






37. When n=5 ->2 - color=






38. R=






39. Energy required to break a bond






40. Ionizes to produce OH- Ions






41. Heat required to raise the system 1°C






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






43. Boltzmann constant - used in calculating speed of gas per molecule






44. H + donor






45. E?s fill the lowest energy orbital first - then work their way up






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






47. Speed per molecule of gas






48. (organics) eight carbons






49. These orbitals are spherical






50. Elements on staircase on periodic table