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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. The heat changed in a chemical reaction.






2. ?T=k*m(solute)






3. Substance that - when dissolved - is conductive






4. The line running between the atoms






5. Involves quantum numbers






6. Ka=[products]^m/[reactants]^n






7. Solid to liquid






8. How to Find an Empirical Formula Given Percentages






9. Oxidation # of Ions






10. Connects the 2 half cells in a voltaic cell






11. The transfer of energy between two objects due to temperature difference






12. Anything occupying space and with mass






13. #NAME?






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






15. Significant Digits of counted things






16. Dalton's Law of Partial Pressures (to find partial pressure formula)






17. Uses a spontaneous redox rxn to generate electrical energy - consists of 2 half cells






18. [A] vs. time is a ...-order reaction






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






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






21. Two molecules with identical connectivity but different geometries






22. Where reduction occurs






23. AX4E2






24. Oxoacid solution (such as HSO4-) forms...






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






26. Color of Na (flame test)






27. Ending for alcohols






28. Force that holds atoms together






29. Significant Digits of Conversion Factors






30. AX3E






31. (organics) seven carbons






32. pH=






33. If anion ends in -ite - acid name ends in...






34. Ptotal=P1+P2+P3+...

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35. Organic w/ -NH2






36. Driving force of the electrons






37. l=0






38. When ____ significant digits - round answer to least decimal place






39. Puts H? into solution






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






41. [A]=-kt + [A]0






42. Negative enthalpy - heat flows into surroundings






43. The mixing of native atomic orbitals to form special orbitals for bonding






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






45. All forms of energy except for heat






46. Organic reaction in which two functional groups come together - resulting in the release of water






47. Speed of Diffusion/Effusion formula






48. Electron pairs found in the space between the atoms






49. Combined Gas Law Formula






50. O²?