2021 Physical Chemistry Laboratory(Dalian University of Technology) 最新满分章节测试答案
- 2. Heat of combustion 2.5 Heat of combustion – quiz
- 4. Determination of molar mass of non-volatile solute by freezing point depression 4.5 freezing poin
- 3. Determination of vapor pressure of a liquid 3.5 vapor pressure of a liquid – quiz
- 5. Equilibrium Constant and Thermodynamic Functions of Chemical Reaction-Thermal Decomposition of Am
- 6. Determination of Solid-Liquid Phase Diagram of Binary Metal System 6.5 Solid-Liquid Phase Diagram
- 7. Boiling point-Composition Phase Diagram of a Completely Miscible Binary System 7.5 Boiling point-
- 8. First-Order Reaction Kinetics——Determination of Catalytic Decomposition Rate Constant of H2O2 8.5
- 9. Determination of Rate Constant and Activation Energy for Saponification of Ethyl Acetate 9.5 Sapo
- 10. Determination of Surface Tension of Solution and Cross-Sectional Area of Adsorbed Molecules 10.5
- 11. The Preparation and Properties of Colloids 11.5 Preparation and Properties of Colloids-quiz
- 12. Determination of the Electromotive Force and Temperature Coefficient of Galvanic Cell 12.5 Elec
- 13. Effect of Electrolyte Solution on the Polarization Curve of Anode 13.5 the Polarization Curve o
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本课程起止时间为:2021-03-01到2021-06-30
本篇答案更新状态:已完结
2. Heat of combustion 2.5 Heat of combustion – quiz
1、 问题:The Beckman thermometer is used for:
选项：
A:Measuring the temperature accurately
B:Measuring the temperature roughly
C:Measuring the temperature difference accurately
D:Measuring the temperature difference roughly
答案: 【Measuring the temperature difference accurately】
2、 问题:The heat capacity of the calorimeter is determined to be smaller if the standard sample doesn’t completely combust.
选项：
A:正确
B:错误
答案: 【错误】
4. Determination of molar mass of non-volatile solute by freezing point depression 4.5 freezing poin
1、 问题:The freezing point depression constant is dependent on ( )
选项：
A:The temperature of the ice-water bath
B:The concentration of the solute
C:The property of the solute
D:The property of the solvent
答案: 【The property of the solvent】
2、 问题:In the experiment of determining the molar mass of non-volatile solute, the solid that separates from the solution is the pure solvent.
选项：
A:正确
B:错误
答案: 【正确】
3. Determination of vapor pressure of a liquid 3.5 vapor pressure of a liquid – quiz
1、 问题:Which of the following liquids is used as the seal liquid in this experiment?
选项：
A:Ethanol
B:Mercury
C:Silicone oil
D:Water
答案: 【Ethanol】
2、 问题:The reading on the digital pressure gauge is the pressure difference between the system and the atmosphere.
选项：
A:正确
B:错误
答案: 【正确】
5. Equilibrium Constant and Thermodynamic Functions of Chemical Reaction-Thermal Decomposition of Am
1、 问题:Which of the following liquids is used as the seal liquid in this experiment?
选项：
A:Ethanol
B:Mercury
C:Silicone oil
D:Water
答案: 【Silicone oil】
2、 问题:The equation describing the variance of the standard equilibrium constant versus the temperature is called Clausius-Clapeyron equation.
选项：
A:正确
B:错误
答案: 【错误】
6. Determination of Solid-Liquid Phase Diagram of Binary Metal System 6.5 Solid-Liquid Phase Diagram
1、 问题:If the eutectic composition (共熔组成) of A-B metal system is wB=0.20, which metal will be solidified first for a system with composition wB=0.10?
选项：
A:pure metal A
B:pure metal B
C:a mixture
D:a new compound
答案: 【pure metal A】
2、 问题:A cooling curve describes the variance of temperature against concentration.
选项：
A:正确
B:错误
答案: 【错误】
7. Boiling point-Composition Phase Diagram of a Completely Miscible Binary System 7.5 Boiling point-
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