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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. A solution that resists a change in its pH






2. 2+ charge






3. Half cell in which oxidation occurs






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






5. CrO4²?






6. The part of the universe one is focused upon (in thermodynamics)






7. Only contains ions that change in reaction






8. Positive enthalpy - heat flows into system






9. Wavelength symbol






10. Unit of electrical potential; J/C






11. Molecules' tendency to stick to one another






12. 0.00°C - 1 atm






13. q H2O = ?






14. Metal oxide + H20 ->






15. Molarity (M)






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






17. The chemical formed when an acid donates a proton






18. Pairs of electrons localized on an atom






19. I=moles of particles/moles of solute dissolved

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20. Compound in which there is a bond between a metal and a non-metal; when naming - pay attention to ionic charges on periodic table (may be reduced)






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






22. In covalent bonds - prefixes are used to tell...






23. (organics) two carbons






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






25. These orbitals are spherical






26. HF+ OH??H2O






27. Energy needed to vaporize a mole of a liquid






28. The actual amount of product produced in an experiment






29. (organics) single-bonded compound






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






31. Elements on staircase on periodic table






32. ClO2¹?






33. 1/[A] vs. time is a ...-order reaction






34. Composition Formula






35. Measure of the average kinetic energy of all the particles in a substance






36. Reverse rxn occurs when






37. A measure of randomness or disorder






38. Weakest IMFs - found in all molecules






39. Type of system in which the energy may escape - but the mass is conserved






40. Color of Sr (flame test)






41. E=mc^2






42. (organics) ten carbons






43. (# of lone pair e-)+1/2(# of shared e-)






44. Organic w/ -NH2






45. l=1






46. Reactant that's completely used up in a chemical reaction






47. Similar to atomic orbitals - except between molecules






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






49. Theoretical yield-experimental yield/theoretical yieldx100






50. Average Kinetic Energy Formula