AP CHEMISTRY REVIEW PARTICULATE DIAGRAMS
Transcript of AP CHEMISTRY REVIEW PARTICULATE DIAGRAMS
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Gelder/McGaw 1
AP CHEMISTRY REVIEW PARTICULATE DIAGRAMS
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Gelder/McGaw 2
2016 AP Q1
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Gelder/McGaw 3
2015 Q4
Name Section
35
1. Below are 1.0 L containers for the initial and equilibrium condition for the reaction,
A2(g) ! D2(g) ! 2AD(g)
Calculate the magnitude of the equilibrium constant for the reaction.
Container BeforeReaction Started
Container After ReactionAchieves Equilibrium
Show work:
2. Set up the ICE table for the following general chemical equation. (Assume the reaction proceeds from left to right to establish equilibrium.)
A2(g) ! D2(g) ! 2AD(g)
CALCULATING THE EQUILIBRIUM CONCENTRATION OF ALL SPECIES
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Gelder/McGaw 4
2014 Q3
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Gelder/McGaw 5
2017 Q3
2018 Q5
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Gelder/McGaw 6
OTHER POSSIBILITIES:
1. Describe the contents of the container below. Be sure to discuss the contents in terms of elements or compounds; pure substances or mixtures (homogeneous/heterogeneous); and the phase. Clearly label the contents so your discussion can be accurately interpreted.
b. The sample in part a) is cooled to the point that the contents of the container are in the
liquid phase only. Use the empty container below to draw what you believe the contents of the container will appear. Clearly describe the nature of your drawing so as to address the composition of the contents. Again be sure you clearly label the contents.
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Gelder/McGaw 7
2. Given the containers below
A B C D E
Question Answer: i) Indicate the letter of one container representing a heterogeneous mixture of elements. Indicate the phase(s) present.
ii) Indicate the letters of TWO containers depicting a phase change. Indicate the phase of each substance initially and finally. Be sure you label each substance with its phase change.
iii) Indicate the letters of TWO containers depicting a chemical change. Write a balanced chemical equation that describes the reaction. Include the correct phase for each substance in your balanced equation.
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Gelder/McGaw 8
MULTIPLE CHOICE
1. The diagram above represents H2(g) and N2(g) in a closed container. Which of the
following diagrams would represent the results if the reaction shown below were to proceed as far as possible?
N2(g) + 3 H2(g) à 2 NH3(g)
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Gelder/McGaw 9
2. The diagram above represents a mixture of NO2(g) and N2O4(g) in a 1.0 L container at a
given temperature. The two gases are in equilibrium according to the equation 2 NO2(g) N2O4(g) Which of the following must be true about the value of the equilibrium constant for the
reaction at this temperature? (A) K = 0 (B) 0 < K < 1 (C) K = 1 (D) K > 1 3. The following diagram represents a gas sample.
Which of the following could represent the same gas at a lower temperature?
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Gelder/McGaw 10
4. Which of the images below best represents an ionic compound like NaCl dissolved in water?
A.
B.
C.
D.