Test your basic knowledge |

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. AX5E






2. Thickness






3. Entropy in the universe is always...






4. Heat capacity formula






5. Ptotal=Pa+Pb+Pc....

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6. [A]0/2k






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

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






9. The total energy of the universe is constant - all systems tend towards minimum energy






10. Color of K (flame test)






11. Forward rxn occurs when






12. Mol of solute/kg of solvent






13. Significant Digits of Conversion Factors






14. Ending for alcohols






15. Type of system in which the energy and mass may leave or enter






16. Unit of electrical potential; J/C






17. H?+OH??H2O






18. CrO4²?






19. pH=






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

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21. The minimum energy that molecules must possess for collisions to be effective - Ea






22. Organic w/ -O-






23. Liquid to gas






24. Cr2O7²?






25. 2 or more covalently bonded atoms






26. Molality =






27. Expresses how the concentrations depend on time






28. Cation first - anion second






29. [A]=-kt + [A]0






30. Amount of product produced when limiting reactant is used up






31. Variable for type of orbital






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






33. Oxidation # of free elements






34. Force that holds atoms together






35. In going from a particular set of reactants to a particular set of products - the change in enthalpy is the same whether the reaction takes place in one step or in a series of steps

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36. AX4






37. Spontaneous emission of radiation






38. Change that occurs at constant temperature






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






40. Happens at lines in phase change charts






41. A solution that resists a change in its pH






42. A monoatomic cation takes name from...






43. Proton (symbol)






44. Significant Digits of counted things






45. Actual Yield/Theoretical Yield*100%






46. STP






47. Oxidation # of Halogens






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






49. The line running between the atoms






50. Energy needed to break a bond