課程名稱︰普化丙
課程性質︰系訂必修
課程教師︰張煥宗
開課學院：電資學院
開課系所︰電機系
考試日期（年月日）︰2006/12/29
考試時限（分鐘）：第一階段1020-1120 第二階段1140-1250
是否需發放獎勵金：是^^
（如未明確表示，則不予發放）
試題 :
第一階段
Exam Ⅱ-B(25% each) 1-h exam
1.What is nanoscience? Why has nanoscience become so popular? Why are gold
nanoparticles stable in aqueous solution? Name three most important
techniques in determining the sizes of nanoparticles?
2.What are the differences between capillary electophoresis and high
performance liquid chromatography? Why is a buffer solution used as a
background electrolyte in capillary electrophoresis? How can it be used for
the DNA molecules?
3.What are the differences among liposomes, micelles, and emulsions? What are
the most important parameters for preparation of micelles? Why are they so
important in modern science?
4.Define fluorescence, absorption, and chemiluminescence? What is ELISA? How
does it work for the analysis with fluorescence detection?
第二階段
Second Examination in Gerneral Chemistry (PART A) (12,29,2006)
(Ⅰ)Fill in the blanks:(3% each; total 90%)
(a)The concentration-time equations for zero the second order reactions for
types A-→ products are:__(1)__and__(2)__, respectively. The relationship
between the half time and the rate constant for the first-order reaction is
__(3)__.
(b)The catalyst for the preparation of ethane from ethylene and hydrogen is
__(4)__.
(c)The relationship between the quilibrium constant and Km for enzyme reaction
is __(5)__.
(d)The equilibrium constant Kc for the gas-phase thermal decomposition of
cyclopropane to propene is 1.0×10^5, what is the Kp at 500℃?__(6)__
(e)An equilibrium mixture of PCl5, PCl3, and Cl2 at a certain temperature
contains 0.8mM PCl5, 1.5mM PCl3, and 3.0mM Cl2. What is the quilibrium
constant for the decomposition of PCl5 to PCl3, and Cl2?__(7)__
(f)Arrange the increasing order for the acidity of Na2O, MgO, Al2O3, and SO3:
__(8)__
(g)The decreasing order of viscosity of hexane, ethanol, propanol, and
ethylene glycol is:__(9)__
(h)Place the order of decreasing volatility of CH4, CBr4, CH2Cl2, CHBr3:_(10)__
(i)If molten potassium has a vapor pressure of 10.0 torr at 400℃ and 400 torr
at 700℃, the heat of vaporization of liquid potassium is __(11)__.
(j)The increasing order of the basicity of ammonia, methyl amine, NaOH, and
water is:__(12)__.
(k)The increasing order of the acidity of HOCl, HO2Cl, HO3Cl, HOI, and HOBr is
:__(13)__
(l)Semiconductors have band gap energies that range from _(14)_. What are the
corresponding wavelength range? __(15)__
(m)The structure of the monomer of PVC is __(16)__.
(n)The major species of H3A in aqueous solution of pH 4.0 is _(17)_ if the PKa
values for H3A are 2.0, 5.5, and 9.0, respectively.
(o)The solubility (S) of CaC2O4 in a solution of pH3.0 is S = [Ca 2+] = _(18)_
(mass-balance equation; do not need to calculate the solubility).
(p)What are ionic liquids? __(19)__.
(r)Arrange the solubility of propanol, propane, butanol, ether in water:_(20)_
(s)What is the molar solubility of AgI in 0.10M NaCN if Kf for Ag(CN)2 - is
3.0×10^20? (Ksp for AgI is 8.5×10^-17) __(21)__
(t)What is the percent HNO3 in commercial aqueous nitric acid that has a
density of 1.42 g/mL and is 16M? __(22)__
(u)A solution (250mL) containing 0.2g of a compound has an osmotic pressure of
0.95 torr at 25℃. What is the molecular weight of the compound? __(23)__
(v)Arrange the imcreasing van't Hoff factor of 0.1 m NaCl, 0.1 m sucrose, 0.1
m K2SO4, 0.1 m MgSO4, and 0.01 m KCl: __(24)__
(w)What is the pH of 0.1M HA- if the pK1 nad pK2 values for H2A are 2.0 and
6.0, respectively? _(25)_. The buffer capacity (β) of H2A/HA- = __(26)__.
(x)From question (w), what is the concentration of A2- if 0.01 mole H2A is
dissolved in 1-L buffer solution at pH5.0? _(27)_ What is the pH if 16 mL
of 0.01M NaOH is added to 20.00 mL of 0.01M H2A solution? __(28)__
(y)One representative molecule that form liquid crystal liquids? __(29)__
(z)What is sol-gel process? __(30)__
(Ⅱ)Kinetic reaction: (15%)
(a)Write down the reaction mechanism of 2NO + O2 → 2NO2 if the rate law is
Rate = k[NO]^2 ×[O2] (5%)
(b)If the rate constant for a reaction is 1.0 ×10^-3 s^-1 at 25℃ and it
doubles when the temperature is increased to 35℃, what is the activation
energy for the reaction? (5%)
(c)The followings are the data for a reaction I- + OCl- → IO- + Cl- at 25℃
Time(s) 0 1200 3000 4500 9000 18000
[OCl-](M) 0.500 0.444 0.381 0.340 0.250 0.174
What are the law and the rate constant? (5%)
ⅢSchematic wxplanation (30%) (no explanation is required)
(a)Schematic illusion of the process of photolithography (5%)
(b)A phase gram showing solid, liquid, gas, and super critical fluids, with
melting point, boiling point, and critical temperature (5%)
(c)The differences between nematic and normal liquid crystals (5%)
(d)What are the main differences in titration curves when a strong acid
solution is used to titrate NaOH and NH3. (5%)
(e)Use titration curves do describe how the acidity of acids affects the
inflections of the titration curves? (5%)
(f)Lock-and-key model? (5%)
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