阿摩：人生是可以逆轉勝的
10分
(8 秒)
模式:循序漸進模式
【全部】 - 學士後西醫物理及化學2024~2020難度:(81~90)
 繼續測驗
再次測驗 下載 下載收錄
1(A).
X


21. Which of the following active ingredient is most commonly used in liquid bleaches (Sanitizers)?
(A) NaCl
(B) NaClO
(C) NaClO2
(D) NaClO3
(E) NaClO4



2(A).

64. Which molecule has only one resonance structure that obeys the Octet rule?
(A) NO+
(B) NO2 −
(C) NO3 −
(D) O3
(E) CO32−



3(A).
X


69. Consider the reaction Fe3+(aq) + SCN- (aq) 5eead3281564b.jpgFeSCN2+(aq). Which one of the following statements is correct?
(A) The equilibrium position shifts to the right after water is added to double the volume
(B) The equilibrium position shifts to the right after AgNO3(aq) is added
(C) The equilibrium position shifts to the left after NaOH(aq) is added
(D) The equilibrium position shifts to the left after Fe(NO)3(aq) is added
(E) None of the above is correct





4(A).
X


79. Which theory, phenomenon or equation can explain redox potential difference on ion concentrations?
(A) Disproportionation
(B) Electrogenerated chemiluminescence
(C) Galvanic displacement
(D) Henderson-Hassebalch equation
(E) Nernst equation



5(A).
X


87. Determine the value of Kc for the reaction 5eead55edd665.jpg
(A) 0.001
(B) 0.01
(C) 0.1
(D) 1.0
(E) 10





6(A).
X


38. As a gas is held within a closed chamber, it passes through the cycle shown in the figure. Along path ab, the change in the internal energy is 3.0 J and the magnitude of the work done is 5.0 J. Along path ca, the energy transferred to the gas as heat is 2.5 J. How much the change in the internal energy along path bc? 5eeae4447d4b7.jpg
(A) +5.5 J
(B) +10.5 J
(C) –0.5 J
(D) –10.5 J
(E) –5.5 J





7(A).
X


54. Unpolarized light can be polarized, either partially or totally, by reflection. What is the polarizing angle when a ray passes from diamond into air? The index of refraction for air and diamond is 1.00 and 2.42, respectively.
(A) 0°
(B) 22°
(C) 31°
(D) 42°
(E) 66°



8(A).
X


40. How much energy is required to move a mass m object from the Earth’s surface to an altitude twice the Earth’s radius RE?
(A) (-1/2)mgRE
(B) (1/2)mgRE
(C) (-2/3)mgRE
(D) (2/3)mgRE
(E) (1/4)mgRE



9(A).
X


63. Please calculate the ΔS if ΔHvap is 66.8 kJ/mol, and the boiling point is 83.4°C at 1 atm, when the substance is vaporized at 1 atm.
(A) -187 J/K mol
(B) 187 J/K mol
(C) 801 J/K mol
(D) -801 J/K mol
(E) 0



10(A).
X


87. The rate law for a reaction is found to be Rate = k[A]2 [B]. Which of the following mechanisms gives this rate law?
6110993848d82.jpg
(A) I
(B) II
(C) III
(D) I & II
(E) II & III



最頂 ▬
快捷工具

【全部】 - 學士後西醫物理及化學2024~2020難度:(81~90)-阿摩線上測驗

惠利剛剛做了阿摩測驗，考了10分