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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. An equilibrium expression






2. ?H when 1 mol of bonds is broken in the gaseous state






3. Color of Li (flame test)






4. AX5E






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






6. Resistance to flow






7. Ionizes to produce H+ ions






8. R in ideal gas law






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






10. Bomb Calorimeter






11. q H2O = ?






12. Has values from 0 to (n-1); tells shape of atomic orbitals






13. Stronger IMF= lower... weaker IMF= higher...






14. AX5






15. When gas expands ...






16. Carbonates - Hydroxides - Oxides - Phosphates - Sulfides






17. (organics) four carbons






18. CN¹?






19. Forward rxn occurs when






20. Increase Volume






21. When n=4 ->2 - color=






22. Atoms with the same number of protons but a different number of neutrons






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






24. AX6






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






26. Solid to gas






27. Energy needed to vaporize a mole of a liquid






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






29. ?T=k*m(solute)






30. Passage of gas through tiny orifice






31. Absorbs/takes in heat (positive value)






32. Non-Ideal Gas Conditions






33. Substances that form H+ when dissolved in water; proton donors






34. Electron (symbol)






35. Ester suffix






36. J/°Cmol or J/Kmol






37. 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)






38. 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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39. C=2.9979*10^8 m/s






40. neutron (symbol)






41. AX3E






42. In a titration - the point where the indicator changes (just after moles of solid are equal to moles of base)






43. Horizontals on the periodic table






44. Ideal Gas Law Formula






45. High-energy light






46. The rest of the universe (in thermodynamics)






47. Substance that - when dissolved - is conductive






48. If Q>Ksp






49. Atomic #






50. For colligative properties for electrolytes - the # of mols of ions/ mols of solute

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