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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. Kinetic Energy of an individual particle formula






2. H?+NH3?NH4






3. 90°&120° - dsp^3






4. When more than one valid Lewis structure can be written for a particular molecule; represented by double-headed arrows






5. Energy needed to vaporize a mole of a liquid






6. Oxidation # of Halogens






7. q H2O = ?






8. The actual amount of product produced in an experiment






9. Happens at lines in phase change charts






10. As protons are added to the nucleus - electrons are similarly added






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






12. Rate of Diffusion/Effusion formula






13. If K<1 - then Gº>0 and reaction will be...at chemical equilibrium






14. If Q<Ksp






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






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






17. Polyatomic Ions (bonding)






18. Oxoacid solution (such as HSO4-) forms...






19. AX3E






20. An equilibrium expression






21. Raoult's Law - relations between vapor pressure and concentrations






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






23. R in ideal gas law






24. Oxidation # of Hydrogen






25. The measurement of heat changes






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






27. Melting






28. Energy involved in gaining an electron to become a negative ion






29. A weak acid that changes color at or near the equivalence point






30. Substances above the critical temperature and pressure in which the pressure is so high that density and flowing ability of a "gas" resembles that of a liquid






31. Mols A/ total mols - XA






32. In a given atom no two electrons can have the same set of four quantum numbers






33. Pairs of electrons localized on an atom






34. Ka=[products]^m/[reactants]^n






35. Similar to atomic orbitals - except between molecules






36. Unit of electrical potential; J/C






37. Average Kinetic Energy Formula






38. 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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39. Heat needed to change 1 g of substance to 1°C






40. l=1






41. Theoretical yield-experimental yield/theoretical yieldx100






42. H?+OH??H2O






43. Wavelength symbol






44. Mol of solute/kg of solvent






45. Increase Volume






46. SO3²?






47. If K>1 - then Gº<0 and reaction will be...at chemical equilibrium






48. Loss of electrons - increase in oxidation #






49. Solid to gas






50. These orbitals are diagonal







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