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






2. Carboxylic acid ending






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

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






5. neutron (symbol)






6. Verticals on the periodic table






7. (organics) eight carbons






8. .69/k






9. Kinetic Energy of an individual particle formula






10. Aldehyde suffix






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






12. A homogeneous mixture with 1 phase






13. SO3²?






14. Color of Na (flame test)






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






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






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






18. r=k[A]






19. A measure of randomness or disorder






20. A method of investigation involving observation and theory to test scientific hypotheses






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






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






23. This MUST be determined experimentally






24. Matter can't be created nor destroyed






25. Proton donors






26. Type of system in which nothing is transfered (no mass or energy); ideal






27. Dirrect Method Formula






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






29. (organics) nine carbons






30. x can be ignored when % ionization is <5%






31. Freezing point depression formula






32. J/°Cg or J/Kg






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






34. A monoatomic cation takes name from...






35. We cannot simultaneously determine an atom's exact path or location






36. Volume of gas @STP






37. Ending for alcohols






38. 1.Volume of individual particles can be assumed to be zero 2.The particles are in constant motion - which causes pressure 3.Particles exert no forces on each other 4.The average kinetic energy of the particles is directly affected by temperature(K)






39. Ionizes to produce OH- Ions






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






41. NO2¹?






42. These orbitals are perpendicular






43. Elements which have all electrons paired and relatively unaffected by magnetic fields






44. Gain of electrons - decrease in oxidation #






45. ln[A]=-kt + ln[A]0






46. In ideal gas law problem - when it says "atmospheric" ...






47. Specific heat of water






48. Lowers activation energy






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

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50. K