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. Amount of heat needed to change a system by 1°C






2. All _________ compounds are electrolytes






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






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






5. An equilibrium expression






6. Occupies the space above and below a sigma bond






7. R in instances that pertain to energy






8. Effusion of a gas is inversely proportional to the square root of the molar mass

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9. How to Find a Weighted Average






10. The line running between the atoms






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






12. (organics) one carbon






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

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14. Force acting over distance






15. Solid to gas






16. #NAME?






17. Like dissolves...






18. kb of water






19. 180° - sp






20. Heat required to raise the system 1°C






21. AX6






22. AX3E






23. Describe various properties of one orbital






24. E?s fill the lowest energy orbital first - then work their way up






25. The reactant that is being oxidized - brings about reduction






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






27. Mass/volume






28. All forms of energy except for heat






29. The rest of the universe (in thermodynamics)






30. Universal IMF for nonpolar molecules






31. How to Find an Empirical Formula Given Percentages






32. Osmotic pressure=MRT






33. SI unit of energy; Kg*m^2/s^2






34. Change in Energy (AE) = ? (in terms of work)






35. A monoatomic cation takes name from...






36. The total entropy is always increasing - all systems tend towards maximum entropy






37. Generally insoluble anions (names)






38. Reactant which doesn't get used up completely in a chemical reaction






39. 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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40. Equation to find Ea from reaction rate constants at two different temperatures






41. Energy needed to break a bond






42. S²?






43. 6.022x10^23






44. neutron (symbol)






45. Speed of light - C






46. Substance that - when dissolved - is conductive






47. These orbitals are spherical






48. 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






49. Two molecules with identical connectivity but different geometries






50. Point at which vapor pressure=air pressure above