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






2. Color of Ca (flame test)






3. Lowers activation energy






4. What is defined by you taken from the whole universe






5. Neutralization Reaction (general format) (net ionic of which is always (H+) + (OH-) --> (H2O))






6. PO4³?






7. CO3²?






8. (# of lone pair e-)+1/2(# of shared e-)






9. When two elements form a series of compounds - the ratios of the masses of the second element that combine with 1g of the first element can always be reduced to whole numbers






10. AX6






11. (organics) nine carbons






12. These orbitals are spherical






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






14. J/°Cg or J/Kg






15. Bomb Calorimeter






16. AP doesn't deal with ...-order reaction - don't pick it!






17. States molecules at a given temp. vary in kinetic energy along a bell-curve of molecular velocities






18. Stronger IMF= lower... weaker IMF= higher...






19. Osmotic pressure formula






20. r=k[A]^2






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






22. IMF that occurs with FON






23. SO4²?






24. Symbol for Enthalpy






25. The reactant that is being oxidized - brings about reduction






26. Group 1 metals






27. AX4E






28. Ionizes to produce OH- Ions






29. Mass/volume






30. Spontaneous emission of radiation






31. (organics) double-bonded compound






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






33. When gas compresses ...






34. The amount of energy/heat required to raise some substance 1 degree C






35. All _________ compounds are electrolytes






36. How to Balance a Redox Equation






37. Gain of electrons - decrease in oxidation #






38. Where oxidation occurs






39. 96 -485 C/mol e-






40. Positive enthalpy - heat flows into system






41. 6.022x10^23






42. Oxidation # of Compounds






43. Energy required for melting to occur






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






45. C2O4²?






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






47. If a system @equilibrium is stressed - the system will shift so as to reestablish equilibrium

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48. O²?






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






50. BrO3¹?