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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. 101 -325 Pa






2. ln[A]=-kt + ln[A]0






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






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. Nonmetal oxide + H2O ->






6. ... compounds are most conductive






7. O²?






8. (organics) double-bonded compound






9. Where there are no electrons






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






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






12. AX3E2






13. Half cell in which oxidation occurs






14. Color of Cs (flame test)






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






16. IMF that occurs with FON






17. Weakest IMFs - found in all molecules






18. frequency symbol






19. Carbon & hydrogen compounds






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






21. AX4






22. Boiling point elevation formula






23. x can be ignored when % ionization is <5%






24. Type of system in which the energy may escape - but the mass is conserved






25. The lowest energy configuration for an atom is the one having the max number of unpaired electrons allowed by the Pauli principle in a set of degenerate orbitals

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26. Increase Volume






27. AX6






28. Speed of Diffusion/Effusion formula






29. r=k[A]^2






30. High-energy light






31. Electron (symbol)






32. A device used to measure Delta H






33. SI unit of energy; Kg*m^2/s^2






34. All cations are soluble with bromide - chloride and iodide EXCEPT






35. STP






36. If anion ends in -ate - acid name ends in...






37. Colors of Reaction when (Cr2O7 2-) --> (Cr 3+)






38. AX3E2






39. R in ideal gas law






40. Volume of gas @STP






41. Energy required to break a bond






42. Mass percent






43. AX2 - AX2E3






44. (msubs) Can only be +1/2 or -1/2






45. Force that holds atoms together






46. Energy needed to vaporize a mole of a liquid






47. % yield






48. Force acting over distance






49. Describe various properties of one orbital






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