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AP CHEMISTRY FINAL EXAM SEMESTER 2 ( Latest 2024 / 2025 ) Actual Questions and Answers 100% Correct $10.99   Add to cart

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AP CHEMISTRY FINAL EXAM SEMESTER 2 ( Latest 2024 / 2025 ) Actual Questions and Answers 100% Correct

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AP CHEMISTRY FINAL EXAM SEMESTER 2 ( Latest 2024 / 2025 ) Actual Questions and Answers 100% Correct

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  • October 28, 2024
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  • 2024/2025
  • Exam (elaborations)
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  • AP Chemistry
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AP CHEMISTRY FINAL EXAM SEMESTER 2
1. what effect will increasing H at constant temperature have on the reactionrepresented
above?: the frequency of collision between H ions and CLo ions will increase
2. NH3 reacts with BF3 to form a single species. which of the following structural diagrams
is the most likely representation of the product of thereaction.: [3H on N connected with 3F on
B]
3. based on the information in the table above, which of the following showsthe cell potential
and gibbs free energy change for the overall reaction that occurs in a standard galvanic cell:
Ecell = 1.63, G = -944
4. Which of the following mechanisms for the catalyzed reaction is consistentwitht eh
equation and diagram above?: O3 + NO --> NO2 + O2

5. The equilibrium system represented by the equation above initially contains equal
concentrations of Cr2O7 and CrO4. Which of the following statements correctly predicts the
result of adding a sample of 6M NaOH to the system, and provides an explanation: the mixture
will become more yellow becauseOh will shift the equilibrium toward products
6. the process of dissolution of NaCL isH2O is represented in the diagram above. Which of
the following summarizes the signs of H and S for each of tehdissolution process: H+ S+, H+
S+, H- S-
7. which of the following particle views best represents the mixture when thetitration is
halfway to the equivalence point?: 5 H2O2 ions and 2 Mn ions
8. under which of the following temperature conditions is the reaction thermodynamically
favored?: it is not favored with any temperature
9. based on the bond energies listed in the table above, which of the followingis closest to the
bond energy of the C-N bond: 300kj/mol
10. based on the thermodynamic data, which of the following is true at 298K: 0<k<1
11. three saturated solution are prepared at 25 C based on the information in teh table above,
which of the following lists the solutions in order of increasingAg: Z<X<Y
12. When 5 g of NH4ClO4 is added to 100 ml of water in a calorimiter, the temperature of teh
solution formed decreases by 3 C. if 5 g of NH4ClO4 is addedto 1000 mL of water in a
calorimeter initially at 25 C, the final temperature of the solution will be approximately: 24.7
C
13. for the system represted above, O2 and O3 initially are .15mol/L and 2.5 mol/L
respectively. Which of the following best predicts what will occur as thesystem approaches
equilibrium at 570K: the amount of O3 will decrease becauseQ>Kc
14. which of the following statements identifies the greatest single reason that the value of Kp
for the overall reaction 298 k has such a large magnitude: the value of H for the overall
reaction is large and negative

, 15. What is the value of the enthalpy change per mole of HCl produced: -93 kJ
16. The compound CCl4 is nonflammable and was once commonly used in fire
extinguishers. On the basis of periodic properties which of the followingcompounds can most
likely be used as a fire-resistant chemical: CBr4
17. Based on the information above, which of the following expressions represents the
equilibrium constant, K for the reaction represented by the equationbelow?: K=(K1)(Kw)/Ka


18. What re the relaative strengths of the acids and bases in the reactionrepresented by the
equation above?: Acid Strength: HClO2>HCOOH
Base Strength: CLO2<HCOO
19. equal volumes of .1 M AgNO3 and 2M NH3 are mixed and ther eactions rep- resented above
accur. which AG species will have the highest concentration in the equilibrium system shown
below, and why?: Ag(NH3)2 because Keq3 =1.6x10^7
20. When H2 and O2 are mixed together in a rigid reaction vessel at 20 C, no reaction
occurs. when the mixture is sparked, however, the gases react
vigorously according to the equation above, releasing heat. Which of the fol-lowing statements
correctly explains why the spark is needed for the reactionto occur when the gases are originally
at 25 C: the reaction has a large activationenergy at 25 C
21. The mass spectrum of an average sample of a pure element is shown in thefigure above
Y
Zr
Nb
Th: Zr
22. The ideal gas law best describes the properties of which of the followinggases
PH3
HBr
SO2
N2: N2
23. at 298k and 1 atm, Br2 is a liquid with a high vapor pressure, and Cl2 is agas
forces among Br2 molecules are stronger
forces among Cl2 molecules are stronger than the Cl-Cl bondsBr-Br bond is stronger than the
Cl-Cl bond
Cl-Cl bond is stronger than the Br-Br bond: forces among Br2 molecules arestronger than
those among Cl2 molecules
24. which of the following has the bonds arranged in order of decreasingpolarity

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