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AP Chemistry 2

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 an electrolyte has an endothermic heat of solution - what will happen to its Ksp value when the temperature is raised? What about exothermic?






2. Group 14 shows non-metal and metal characteristics. What two oxidation states do the elements in group 14 exist in?






3. If Q > Ksp - then system shifts _______ and ppt ______






4. Flame tests for certain metal ions (simple emission spectra) gives which colors for potassium - sodium - lithium - copper - barium






5. If a free element is involved - what type of reaction must be involved?






6. What do group I/II metal oxides plus water form?






7. Ca - Sr - Ba






8. What happens to the ion concentrations of a saturated solution when it is diluted and allowed to reach equilibrium - with solid solute still present?






9. What equipment do you need for a titration?






10. What process takes place at the cathode in an electrochemical cell? In an electrolytic cell?






11. Name six characteristics of transition elements (or their compounds)






12. What are two substances that sublime at 1 atm when heated?






13. State whether K is high or low and whether H2O a product or reactant for the following reactions: a) neutralization. b) dissociation in water.






14. Give an example of a dilute strong acid.






15. What type of compounds do Group 14 form?






16. What are the products for these common oxidizing agents? MnO4? - CrO4²? - Cr2O7²?






17. What is H2CO3 (carbonate acid) usually written as?






18. carbonates






19. What are two allotropes of carbon?






20. What are the prefixes for the naming of binary molecular compound formulas (up to six)






21. What is the pH of 1.0M HCl? 1M NaOH?






22. What is the general formula for an ether?






23. What is the general formula for an aldehyde?






24. The oxidation numbers of the metals or nonmetals ___________ during such a reaction






25. What do you do to Keq when you combine 2 reactions - reverse an equation - or halve coefficients?






26. What is the test for hydrogen?






27. What shape is water?






28. What is the formula for summation?

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29. What is the general formula for an acid?






30. Alkenes are ________ and react by __________






31. What two types of substances are present in all redox reactions?






32. How does half life change for zero-th order - first order - and second order processes?






33. What are the bond angles and hybridization for a carbon with 4 sigma bonds? one double bond? two double bonds? one triple bond?






34. What do metal oxides plus non- metal oxides form?






35. What gases usually come off during the 'electrolysis of water?' At the anode? At the cathode?






36. ammonium/ammonium compounds






37. What is the general formula for an ester?






38. What shape is carbon dioxide?






39. What is the 'virtual' Ka for the complete dissociation of a dibasic acid?






40. What is the relationship in strength between sigma and pi bonds?






41. What kind of bonding structure does benzene have?






42. When a cell is 'flat' a.k.a 'reached equilibrium' - what is its ?G value?






43. When driving off water from a hydrate - how do you tell you're done?






44. Is a graduated cylinder or beaker more accurate?






45. What is the second law of thermodynamics?






46. What is a dipeptide? polypeptide? protein?






47. What steps do organic labs consist of?






48. dihydrogen phosphate






49. During a titration what is present in the beaker at the equivalence point?






50. How many ligands attach to a central ion in a complex ion?