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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. 0°C and 1 atm






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






3. Assumes that a molecule is composed of atoms that are bound together by sharing pairs of electrons using the atomic orbitals of the bound atoms






4. ?T=k*m(solute)






5. Polyatomic Ions (bonding)






6. Variable for orientation of orbital (-1 through +1)






7. How fast or slow a reaction occurs - becomes slower as it reaches equilibrium






8. Forward rxn occurs when






9. 101 -325 Pa






10. K=[C]^l[D]^m/[A]^j[B]^k; products/reactants; solids don't count






11. OIL RIG






12. NO2¹?






13. Wavelength symbol






14. Amount of gravitational force exerted on an object






15. A molecule having a center of positive charge and a center of negative charge






16. Transition metals with ammonia - hydroxide - cyanide or thiocyanate form...






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

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18. Carboxylic acid ending






19. Carbon & hydrogen compounds






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






21. The weight exerted by a column of air or the pressure exerted by the Earth's atmosphere






22. Mixing of gases






23. Larger molecules which have higher mass and therefore electron density have stronger...






24. Passage of gas through tiny orifice






25. Weakest IMFs - found in all molecules






26. Mass #






27. Proton (symbol)






28. H?+OH??H2O






29. The rest of the universe (in thermodynamics)






30. q H2O = ?






31. (N) number of equivalents per liter of solution






32. Heat required to raise the system 1°C






33. The measurement of heat changes






34. Color of Cs (flame test)






35. CN¹?






36. Degree of disorder in a system






37. Non-Ideal Gas Conditions






38. For significant digits - trailing zeros _____ significant






39. AX4E






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






41. Organic w/ -O-






42. If Q>Ksp






43. C2H3O2¹?






44. Oxidation # of Compounds






45. ?T=k*m(solute)






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






47. Energy required for liquid?gas






48. 96 -485 C/mol e-






49. (organics) two carbons






50. Aldehyde suffix