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






2. R in instances that pertain to energy






3. Dalton's Law of Partial Pressures (to find partial pressure formula)






4. PV=nRT






5. Nonmetal oxide + H2O ->






6. The measurement of heat changes






7. (organics) triple-bonded compound






8. A homogeneous mixture with 1 phase






9. If Q<Ksp






10. High-speed electrons






11. The chemical formed when a base accepts a proton






12. For significant digits - trailing zeros _____ significant






13. Absorbs/takes in heat (positive value)






14. HF+ OH??H2O






15. Significant Digits of counted things






16. (organics) five carbons






17. When n=3 ->2 - color=






18. Anything occupying space and with mass






19. 1 sigma bond - 2 pi bonds






20. Kinetic Energy of an individual particle formula






21. If a system @equilibrium is stressed - the system will shift so as to reestablish equilibrium

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22. The transfer of energy between two objects due to temperature difference






23. The line running between the atoms






24. Ionizes to produce H+ ions






25. 180° - sp






26. Molality =






27. Two molecules with identical connectivity but different geometries






28. Carboxylic acid ending






29. q rxn = ?






30. (organics) three carbons






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






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






33. Osmotic pressure formula






34. The lowest energy configuration for an atom is the one having the max number of unpaired electrons allowed by the Pauli principle in a set of degenerate orbitals

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35. Unit of electrical potential; J/C






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






37. Uses a spontaneous redox rxn to generate electrical energy - consists of 2 half cells






38. BrO3¹?






39. Color of Ba (flame test)






40. =vM2/M1






41. A measure of randomness or disorder






42. Reactant which doesn't get used up completely in a chemical reaction






43. The weighted average of all the isotopes that an atom can have (in g/mol)






44. ?T=k*m(solute)






45. 109.5° - sp^3






46. Puts H? into solution






47. Half-life equation






48. Melting






49. Instrument used to measure the pressure of atmospheric gas






50. AX4E2