阿摩線上測驗
登入
首頁
>
學士後西醫-化學
>
95年 - 095 學士後西醫：化學#39203
> 試題詳解
31 • Which of the following electrode could be a reference electrode except g
(A) SHE
(B)NHE
(C) SCE
(D)Ag/AgCl
(E) all of above
答案：
登入後查看
統計：
A(1), B(1), C(0), D(1), E(3) #1121886
私人筆記 (共 1 筆)
一階過了~準備畢業二階
2020/04/06
私人筆記#2045196
未解鎖
Standard hydrogen el...
(共 418 字，隱藏中）
前往觀看
0
0
其他試題
27. To a solution of propyne in diethyl ether, one molar equivalent of CH3Li was added and the resulting mixture was stirred for 0.5 hour. After this time5 an excess of D20 was added. Describe the major organic product(s) of this reaction. h (A) CH3CCD + CH4 (B) CH3CCCH3 (C) CD3CCD3 (D) CH3CCCD3 (E) CH3CCD + CH3D
#1121882
28. Which of the following metric relationships is incorrect ? (A) 1 microliter = 10-6 liters (B) 1 gram = 103 kilograms (C) 103milliliters = 1 liter (D) 1 gram = 102 centigrams (E) 10 decimeters = 1 meter
#1121883
29. A method of separation that employs a system with two phases of matter, a mobile phase and a stationary phase, is called ! (A) filtration. (B) chromatography. (C) distillation. (D) vaporization. (E) homogenization.
#1121884
30. You take an aspirin tablet (a compound consisting solely of carbon, hydrogen, and oxygen) with a mass of 1.00 g，bum it in air, | and collect 2.20 g of carbon dioxide and 0.400 g water. The molar mass of aspirin is between 170 and 190 g/mol. The molecular E form of aspirin is c (A) C6H8O5 (B) C9H8O4 (C)C8H10O5 (D)C10H6O4 (E) none of these
#1121885
32. The light source of fluorescence measurements and detector is usually at j； (A) 30 (B) 60 (C) 90 (D) 120 (E) 180 degrees.
#1121887
33. Consider the following system at equilibrium: Which of the following changes will shift the equilibrium to the right? I. increasing the temperature II. decreasing the temperature I IE. increasing the volume TV. decreasing the volume V. removing some NH3, VI. adding some NH3 VII removing some N2 VII I. adding some N2 (A) (B)(C) (D) (E)
#1121888
34. If, at a given temperature, the equilibrium constant for the reaction is Kp, then the equilibrium constant for the reactioncan be represented as: (A) (B) (C) (D) (E) none of above
#1121889
35. The value of the equilibrium constant, K, is dependent on | . The temperature of the system. II • The nature of the reactants and products. Ill. The concentration of the reactants. IV. The concentration of the products. (A)丨，|| (B) II，III (C) III，IV (D) It is dependent on three of these choices. (E) It is not dependent on any of these choices.
#1121890
36. Which of the following would produce a basic aqueous solution? (A)P4O10 (B)KC1 (C) C02 (D) NH4C1 (E) none of these
#1121891
37. Which of the following will not produce a buffered solution? (A) 100mLof0.1MNa2C03and50mLof0.1 MHC1 (B) 100 mL of 0.1 MNaHCO3, and 25 mL of 0.2M HC1 (C) 100 mL of 0.1 M Na2CO3, and 75 mL of 0.2 M HC1 (D) 50 mL of 0.2 M Na2CO3 and 5 mL of 1.0 M HC1 (E) lOOmLofO.l MNa2C03 and50mLof0.1 MNaOH
#1121892
阿摩線上測驗
登入
