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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. IMF that occurs with FON






2. Elements which have unpaired electrons and highly affected by magnetic fields






3. High-speed electrons






4. Point where acid completely neutralizes base






5. (organics) two carbons






6. 180° - sp






7. Mol of solute/kg of solvent






8. Each orbital can hold two e?s each w/ opposite spins






9. Isotope






10. SO3²?






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

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12. AX5E






13. Mixing of gases






14. Bond bond in which atoms aren't so different that electrons are completely transferred but are different enough that unequal sharing occurs






15. Raising heat - adding catalyst - heighten concentration - bigger surface area






16. Energy required for melting to occur






17. Hydroxides are soluble or insoluble?






18. Carbonates - Hydroxides - Oxides - Phosphates - Sulfides






19. Forward rxn occurs when






20. Variable for spin of electron (+.5 or -.5)






21. AX6






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






23. # bonding e- - # antibonding e-/2






24. Color of Na (flame test)






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

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26. Colors of Reaction when (MnO4 -) --> (Mn2+)






27. kf of water






28. Within a sublevel - place one e? per orbital before pairing them

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29. Melting






30. When n=6 ->2 - color=






31. All (though really not all - but for our purposes all) ________ compounds are NOT electrolytes






32. Instrument used to measure the pressure of a not-atmospheric gas (open or closed system)






33. AX3E2






34. Work = ?






35. ClO3²?






36. 1 sigma bond - 2 pi bonds






37. 1.Calculate moles of each atom in molecule 2.Divide each mole number by smallest mole number 3.If necessary - multiply every mole number to get a whole number 4.Moles of each atom is subscript in empirical formula






38. Gas to solid






39. AX2E - AX2E2






40. Theoretical yield-experimental yield/theoretical yieldx100






41. A method of investigation involving observation and theory to test scientific hypotheses






42. AX4E






43. The heat changed in a chemical reaction.






44. Average speed of gas






45. 1/[A] vs. time is a ...-order reaction






46. 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






47. OH¹?






48. An element with several different forms - each with different properties (i.e. graphite & diamond)






49. Tools NEEDED for dilution






50. Speed per molecule of gas