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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. Color of Cs (flame test)






2. Boiling point elevation formula






3. Neutralization Reaction (general format) (net ionic of which is always (H+) + (OH-) --> (H2O))






4. Negative enthalpy - heat flows into surroundings






5. STP






6. ClO4¹?






7. Moles of solute/volume of soln(L)






8. Colors of Reaction when (Cr2O7 2-) --> (Cr 3+)






9. Oxidation # of Polyatomic Ions






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






11. Non-Ideal Gas Conditions






12. Electrons in a hydrogen atom move around the nucleus only in circular orbits






13. R in instances that pertain to energy






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






15. Liquid to solid






16. Mol/L - concentration of a solution






17. Resistance to flow






18. How to Find a Weighted Average






19. O²?






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






21. PO4³?






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






23. Change that occurs at constant temperature






24. 6.022x10^23






25. The chemical formed when an acid donates a proton






26. Forward rxn occurs when






27. I¹?






28. Solution used in titration






29. An equilibrium expression






30. High-speed electrons






31. Oxidation # of Compounds






32. J/°Cmol or J/Kmol






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






34. Atomic #






35. All cations are soluble with bromide - chloride and iodide EXCEPT






36. What is defined by you taken from the whole universe






37. AX5E






38. Describe various properties of one orbital






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






40. Diatomic Molecules






41. A measure of randomness or disorder






42. Energy required to break a bond






43. ln[A] vs. time is a ...-order reaction






44. Pairs of electrons localized on an atom






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






46. Substance in which something is dissolved in a solution (higher [ ])






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






48. AX4E






49. Measure of the change in enthalpy






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

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