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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 Q<Ksp






2. n+m (these are orders of reactants)






3. Like dissolves...






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






5. Significant Digits of Conversion Factors






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






7. (# of valence e- on free atom) - (# of valence e- assigned to atom in molecule)






8. The energy required to raise 1 g of substance 1 degree C






9. A solution that resists a change in pH - contains both a weak acid and its conjugate base






10. AH of formation for a substance in its stablest form (how it is found in nature)






11. Solid to liquid






12. Horizontals on the periodic table






13. AX3E2






14. Measure of the change in enthalpy






15. Variable for energy of e- - goes from 1 -2 -3 on up






16. Where oxidation occurs






17. NO3¹?






18. Gain of electrons - decrease in oxidation #






19. The likelihood that a rxn will occur "by itself"






20. Bomb Calorimeter






21. Speed per molecule of gas






22. CrO4²?






23. Variable for spin of electron (+.5 or -.5)






24. 1/([A]0*k)






25. S²?






26. 120° - sp^2






27. Speed of light - C






28. AX3E2






29. The reactant in the oxidizing reaction that forces the reduction reaction to occur






30. Ending for alcohols






31. =vM2/M1






32. Group 1 and heavier Group 2 bases






33. Work = ?






34. Substances w/ critical temperatures below 25°C






35. Two molecules with identical connectivity but different geometries






36. A device in which chemical energy is changed to electrical energy






37. Peak of energy diagram






38. ClO2¹?






39. When n=6 ->2 - color=






40. The weighted average of all the isotopes that an atom can have (in g/mol)






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






42. Heat required to raise the system 1°C






43. Cl¹?






44. A neutral molecule/ion having a lone e- pair that can be used to form a bond to a metal ion






45. When gas expands ...






46. Wavelength symbol






47. SO3²?






48. Volume of gas @STP






49. PO4³?






50. ?T=k*m(solute)