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






2. Substances that form OH- when dissolved in water; proton acceptors






3. C2O4²?






4. Speed of light - C






5. Within a sublevel - place one e? per orbital before pairing them

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6. AX2 - AX2E3






7. When n=4 ->2 - color=






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






9. Color of Na (flame test)






10. When n=5 ->2 - color=






11. The measurement of heat changes






12. AX3






13. These orbitals are diagonal






14. Passage of gas through tiny orifice






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






16. Chemical composition of dry ice






17. Instrument used to measure the pressure of atmospheric gas






18. Hydroxides are soluble or insoluble?






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






20. A solution that resists a change in pH - contains both a weak acid and its conjugate base






21. Releases/gives off heat (negative value)






22. F¹?






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






24. This MUST be determined experimentally






25. How to Find a Weighted Average






26. Significant Digits of counted things






27. (organics) single-bonded compound






28. Liquid to gas






29. ?T=k*m(solute)






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






31. Substances that form H+ when dissolved in water; proton donors






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






33. r=k






34. Amount of gravitational force exerted on an object






35. Mol/L - concentration of a solution






36. AX4E2






37. NO3¹?






38. 101 -325 Pa






39. When n=6 ->2 - color=






40. Where reduction occurs






41. Absorbs/takes in heat (positive value)






42. (organics) five carbons






43. A solution used in titrations whose concentration is known






44. Occupies the space above and below a sigma bond






45. In a titration - the point where moles of acid are equal to moles of base (just before the indicator changes color)






46. kf of water






47. Solid to gas






48. Change without heat transfer between the system and its surroundings






49. R in instances that pertain to energy






50. Determined by the formula h/m(in kg)v - (v=velocity)







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