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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. Passage of gas through tiny orifice






2. All _________ compounds are electrolytes






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






4. Energy involved in gaining an electron to become a negative ion






5. Substances above the critical temperature and pressure in which the pressure is so high that density and flowing ability of a "gas" resembles that of a liquid






6. Raoult's Law - relations between vapor pressure and concentrations






7. Solution in flask being titrated






8. Has values 1 -2 -3 -...; tells energy levels






9. Ketone suffix






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






11. 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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12. Positive enthalpy - heat flows into system






13. Pairs of electrons localized on an atom






14. Boiling point - melting point - viscosity - vapor pressure - surface tension






15. #NAME?






16. Change without heat transfer between the system and its surroundings






17. Solid to gas






18. NO2¹?






19. 1/[A]=kt + 1/[A]0






20. 760mmHg/Torr






21. Vapor pressure lowering - boiling point elevation - freezing point depression - osmotic pressure






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






23. Carbonates - Hydroxides - Oxides - Phosphates - Sulfides






24. F¹?






25. Force that holds atoms together






26. How to Find a Weighted Average






27. Solid to liquid






28. The intermolecular attractions resulting from the constant motion of electrons and the creation of instantaneous dipoles






29. 180° - sp






30. Proton (symbol)






31. These orbitals are diagonal






32. AX4E2






33. Lowers activation energy






34. Group 1 - Ammonium - Nitrates - Acetates - Sulfates - Halides






35. Point at which solid?liquid occurs






36. Stronger IMF= lower... weaker IMF= higher...






37. High-speed electrons






38. C2H3O2¹?






39. Spectrum of light when an electron drops to energy level n=2






40. Color of Cs (flame test)






41. Ptotal=P1+P2+P3+...

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42. (organics) five carbons






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






44. Hydroxides are soluble or insoluble?






45. AX4E2






46. 1 sigma bond - 1 pi bond






47. Connects the 2 half cells in a voltaic cell






48. Like dissolves...






49. Rate of Diffusion/Effusion formula






50. Mol/kg of solvent - used in calculating colligative properties







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