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Chemistry: High School Final Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1. What is an electron shell?

Question 2 2. Which family has the lowest electronegativity?

Question 3 3. The amount of heat given off when 2.00 mols of Al2O3 (aluminum oxide) is formed under standard conditions is closest to

Question 4 4. The method by which nutritionists determine the energy content of food is known as the _____.

Question 5 5. How many elements of unsaturation does a molecule with this chemical formula have?

Page 2

Question 6 6. An anion has a(n) _____ charge.

Question 7 7. Select the most suitable definition for stoichiometry.

Question 8 8. What is the difference between a hydrate and an anhydrate?

Question 9 9. How many mL are in 3.4 L?

Question 10 10. Why should you wait for temperature to stabilize before taking a reading?

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Question 11 11. Using the solubility table in the lesson, which of these salts would you predict to be insoluble in water?

Question 12 12. What is the dilution of solutions equation?

Question 13 13. If you decrease the cell path length, how will the absorption of light change?

Question 14 14. Which of the following is the most heterogeneous mixture?

Question 15 15. What are the oxidation numbers of the atoms in the compound CF4?

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Question 16 16. What are the hydronium and hydroxide ion concentrations in a 3 x 10-2 M NaOH solution?

Question 17 17. Which units of pressure are needed if you are going to use 0.0821 as your ideal gas constant?

Question 18 18. A balloon has an initial volume of 150 mL at 25 degrees Celsius. If the temperature is increased to 75 degrees Celsius, what is the final volume?

Question 19 19. Why should you avoid looking directly at magnesium burning?

Question 20 20. What is the largest principal quantum number that a calcium electron can have?

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Question 21 21. Which of the following is a use of the halogens?

Question 22 22. What happens when alkaline metals lose their valence electrons?

Question 23 23. What is the approximate measurement of this film?

Question 24 24. Combustion reactions always involve:

Question 25 25. How does temperature affect reaction rate?

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Question 26 26.

If you get an equilibrium constant of less than 1 for the chemical reaction below, what does that tell you?

sodium + chlorine --> sodium chloride

Question 27 27. The breakdown of protein secondary, tertiary, and quaternary structure is called _____.

Question 28 28. All of the following are properties of carbon, except:

Question 29 29. The phase change when gas turns directly into a solid is called:

Question 30 30. When you cross the line on a phase diagram and go from a solid to a liquid, what has occurred?

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Question 31 31. What are some examples of chemistry?

Question 32 32. What is another name for scientific law?

Question 33 33. When neptunium-238 decays, it emits two alpha particles, a beta particle, and a gamma particle. The resulting isotope is:

Question 34 34. The equation E = mc2 shows that mass and energy are:

Question 35 35. The equilibrium constant is a value that relates the ratio of the concentrations of _____ once the reaction has reached chemical equilibrium.

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Question 36 36. When a solution of a given volume has a maximum amount of a solid dissolved in it, it is said to be _____.

Question 37 37. Which element will predictably carry a positive 1 charge when it becomes an ion?

Question 38 38. Using the table of Average Bond Energies in the lesson, which bond is the strongest?

Question 39 39. What is NOT an example of an organic macromolecule?

Question 40 40. How is percent yield calculated?

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Question 41 41. How many significant figures should the product of 1.2 x 1.4592 contain?

Question 42 42. How is a supersaturated solution made?

Question 43 43. Which of the following is an example of a chemical change?

Question 44 44. What is the oxidation number for each atom in NH4+?

Question 45 45. Standard temperature and standard pressure refer to:

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Question 46 46. Which of the following has a positive charge and a mass of one?

Question 47 47. Which of the following is NOT a property the Noble Gases share?

Question 48 48. If you need to dispense a precise amount of volume, which instrument would you use?

Question 49 49. When the rate of the forward reaction equals the rate of the reverse reaction, what has occurred?

Question 50 50. How many natural amino acids are there?

Chemistry: High School Final Exam Instructions

Choose your answers to the questions and click 'Next' to see the next question. You can skip questions if you would like and come back to them later with the "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. You will lose your work if you close or refresh this page. Good luck!

Chemistry: High School  /  Science Courses
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