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(C) add SiO2 aerogel (气溶胶) to make gel electrolyte; (D) heat the electrolyte.
(A) >760 nm; (B) < 400 nm; (C) ca. 600 nm; (D) uncertain.
… …
5. Salt bridge of concentrated KCl solution is usually used for measuring the electromotive forces of cells
(A) reactants cannot be converted completely to product; (B) lnc ~t is linear;
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drop on a solid surface is measured to be 15 o. When surfactant which is preferably adsorb on l/s surface
k1
A
C
C + B k2
P
k-1
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(D) the dielectric constant of water in the ionic atmosphere is different from free water.
… 3. For the following electrodes, the standard electrode potential of which is the highest?
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each question, totally 30 points).
(D) activation energy of transition state theory (E0).
…
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1. For the following electrolytes with the same concentration (0.010 mol·kg-1), which shows the highest
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molar conductivity?
11. For the following reactions, which is not a possible primary photochemical reaction:
(A) ClCl h 2Cl·;
(B)
h CH2=CHCH3;
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(A) LiCl; (B) MgSO4; (C) MgCl2; (D) KNO3.
solution? (A) anionic surfactant; (B) cationic surfactant; (C) amphoteric surfactant; (D) nonionic surfactant.
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USEFUL PARAMETERS
9. Which of the following colloidal particles is permanently positive-charged?
linearly decreasing with increasing the coverage?
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(A)prevent inter-diffusion between the two electrolytes; (B) reduced the liquid junction potential;
(A) Langmuir isotherm; (B) BET isotherm; (C) Freundlich isotherm; (D) Termkin isotherm.
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(C) Ag+ + e Ag(s);
(D) Ag(NH3)+ + e Ag(s) + 2NH3.
(A) k-1 >> k 1, k2[B] >> k-1; (C) k-1 >> k 1, k2[B]<< k-1;
(B) k-1 << k 1, k2[B]>> k-1; (D) k-1 << k 1, k2[B]<< k-1.
… ——————————————————————————————————————————
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得分 阅卷人 I. Choose the best answer for the following questions. (2 points for
(B) Tolman activation energy (Ea); (C) activation energy of simple collision theory (Ec);
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of adding excess precipitating agent?
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专业
学院
第1 页 共 3 页
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得分 阅卷人 II. Fill in the blanks. (2 points for each question, totally 20 points)
1. The theoretical capacity is defined as the coulomb (usually expressed in mAh) delivered by a substance per gram (mAh·g-1). The theoretical capacities of HCOOH are _____________mAh·g-1.
If we want to treat this mechanism using pre-equilibrium approximation, which conditions should be satisfied?
…
(A) Ag(CN)2 + e Ag(s) + 2 CN; (B) AgCl(s) + e Ag(s) + Cl
… …
Faraday’s Constant F = 96500 C·mol-1; Plank constant: h = 6.62610-34 Js; Velocity of light in vacuum: c =
… 2.998108 ms-1; Avogadro constant: L=6.02221023mol -1; Gas constant: R = 8.314 J·K-1·mol-1.
密 …
Standard electrode potential: (Cu2+/Cu) = 0.337 V; (Cl2/Cl) = 1.36 V; (Hg2Cl2/Hg, Cl) = 0.270 V;
… Atomic mass: H-1.0079, C-12.011, O-15.998
inter-atomic potential energy? (A) Arrhenius experimental activation energy (Ea);
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(A) increase; (B) decrease; (C) keep unchanged; (D) uncertain.
… …
7. When we precipitate Ag+ by Cl, more precipitating agent (NaCl) is usually added. What is not the aim
…
working cell?
线
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(A) Use acid or base instead of salt as electrolyte;
(B) increase concentration of the electrolyte;
controlled. If we want to define the vibrational energy level of a molecule by laser radiation, the radiation of what wavelength should be used?
12. The reaction mechanism of reaction A + B P is proposed as:
… …
(B) the electric field can be described using Poisson equation;
…
(C) the interaction between cation and anion is electric attraction;

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was solved in this water drop, will the contact angel
(C) half-life is independent of initial concentration;
(D) the unit of rate constant is mol·dm-3·s-1.
封 2. What is not the basic assumption of Debye-Huckel model for strong electrolyte?
(C) RR’ h R + R’+; (D) A + M A* + M.
…
(A) the ions can be taken as point charge;
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… 2013-2014 Academic Year, Fall Semester, Final Exam for Physical Chemistry (2) -A
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题号 一 二 三 四 五 六 七 八 九 十 总分 阅卷人
(A) to reduce the solubility of AgCl; (B) to increase the over-saturation of AgCl;