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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. Group 1 - Ammonium - Nitrates - Acetates - Sulfates - Halides






2. Connects the 2 half cells in a voltaic cell






3. OH¹?






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






5. ?H when 1 mol of bonds is broken in the gaseous state






6. How to Find an Empirical Formula Given Grams






7. 96 -485 C/mol e-






8. Universal IMF for nonpolar molecules






9. Ionizes to produce H+ ions






10. AX5E






11. Mole Fraction






12. Ester suffix






13. Energy needed to break a bond






14. Group 1 metals






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






16. All forms of energy except for heat






17. I¹?






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






19. AX2E - AX2E2






20. Resistance to flow






21. Actual Yield/Theoretical Yield*100%






22. l=2






23. Temperature-pressure combination at which solid - liquid - and gas states appear






24. Oxidation # of Polyatomic Ions






25. The total energy of the universe is constant - all systems tend towards minimum energy






26. Atoms combine in fixed whole # ratios






27. Cl¹?






28. Peak of energy diagram






29. If a change is imposed on a system at equilibrium - the position of the equilibrium will shift in a direction that tends to reduce that change

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30. Oxidation # of Halogens






31. The mixing of native atomic orbitals to form special orbitals for bonding






32. Kinetic Energy per mol






33. 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






34. Carbon - hydrogen - oxygen compounds






35. 180° - sp






36. Gain of electrons - decrease in oxidation #






37. Expresses how the concentrations depend on time






38. (organics) double-bonded compound






39. Thickness






40. The energy required to raise 1 g of substance 1 degree C






41. An element with several different forms - each with different properties (i.e. graphite & diamond)






42. Bomb Calorimeter






43. 760mmHg/Torr






44. Point at which vapor pressure=air pressure above






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






46. Proton donors






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






48. AX3E2






49. Half cell in which reduction occurs






50. ... compounds are most conductive