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AP® Chemistry. 2009 Scoring Guidelines. Form B. The College Board. The College Board is a not-for-profit membership association whose mission is to connect students to college success and opportunity. Founded in 1900, the association is composed of more than 5,600 schools, colleges, universities and other.
Here is a collection of AP Chemistry practice exams. Some are released from College Board and some are created by me. If you decide to use these as part of your review process, make sure you use them accordingly. For example, if you decide to take a practice AP exam, take it within the time guidelines laid out for you.
Methane gas reacts with chlorine gas to form dichloromethane and hydrogen chloride, as represented by the equation above. (a) A 25.0 g sample of methane gas is placed in a reaction vessel containing 2.58 mol of Cl2(g). (i) Identify the limiting reactant when the methane and chlorine gases are combined. Justify your.
(i) Which of the two acids is stronger, HOCl or HOBr ? Justify your answer in terms of Ka . HOCl is the stronger acid because its Ka value is greater than the Ka value of HOBr. One point is earned for the correct answer with justification. (ii) Draw a complete Lewis electron-dot diagram for the acid that you identified in part (a)(i)
A student was assigned the task of determining the molar mass of an unknown gas. The student measured the mass of a sealed 843 mL rigid flask that contained dry air. The student then flushed the flask with the unknown gas, resealed it, and measured the mass again. Both the air and the unknown gas were at 23.0°C and
AP® Chemistry. 2009 Scoring Guidelines. The College Board. The College Board is a not-for-profit membership association whose mission is to connect students to college success and opportunity. Founded in 1900, the association is composed of more than 5,600 schools, colleges, universities and other educational
AP® CHEMISTRY 2009 SCORING GUIDELINES (Form B) Question 1 (10 points) A pure 14.85 g sample of the weak base ethylamine, AP® CHEMISTRY 2009 SCORING COMMENTARY (Form B) Question 1 Sample: 1A Score: 10 This response earned all 10 points: 2 for part (a), 1 for part (b), 1 for part (c), 1 for part (d)(i),
Back to Mr Calculus. 2009 FREE RESPONSE SOLUTIONS. AB/BC #1 · AB/BC #2 · AB #3 · BC #3 · AB #4 · BC #4 · AB/BC #5 · AB #6 · BC #6. 2009 FORM B FREE RESPONSE SOLUTIONS. AB #1 · BC #1 · ABBC #2 · AB/BC #3 · AB #4 · BC #4 · AB/BC #5 · AB #6 · BC #6 · Back to Mr Calculus.
AP® CHEMISTRY 2009 SCORING GUIDELINES Question 6 (8 points) Answer the following questions related to sulfur and one of its compounds. (a) Consider the . Note that the point was earned in part (a)(ii); the response does not specifically need to mention electron-electron repulsions in order to receive credit. In part
AP® CHEMISTRY 2009 SCORING GUIDELINES (Form B) Question 3 (10 points) 2 H2O2(aq) > 2 H2O(l) + O2(g) The mass of an. AP® CHEMISTRY 2009 SCORING COMMENTARY (Form B) Question 3 Sample: 3A Score: 10 This response earned all 10 points: 1 for part (a), 2 for part (b), 2 for part (c), 1 for part (d), 2 for
     

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