109年 - 109 國立宜蘭大學_碩士班招生考試_食品科學系：食品科學(含食品加工、食品化學)#103077

科目：研究所、轉學考(插大)◆食品科學 (含食品加工、食品化學) | 年份：109年 | 選擇題數：0 | 申論題數：17

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所屬科目：研究所、轉學考(插大)◆食品科學 (含食品加工、食品化學)

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申論題 (17)

(a) The first law of thermodynamics
(b) Ideal gas
(c) Law of corresponding states
(d)Chemical potential
(e) Phase rule.

2. Consider the reaction 2SO2(g) + O2(g) → 2SO3(g) carried out at 25 °C and 1 atm. Calculate ΔH°, ΔS°, and ΔG° using the following data. 617bad6e1781e.jpg

3. (a) Derive the Gibbs-Helmholtz equation 617bad8e62fb5.jpg.

(b) Derive the van’t Hoff equation617bada545c3b.jpg from Gibbs-Helmholtz equation. 
(a) What is the amount of solid and liquid phase in percentage?
(b) Calculate the composition of the solid and the liquid.
5. The turbine in a steam power plant takes steam from a boiler at 520 °C and exhausts it into a condenser at 100 °C. What is its maximum possible efficiency?

6. (a) Derive the Clausius-Clapeyron equation ln 617badec6be68.jpg

(b) Benzene has a normal boiling point at 760 Torr of 353.25 K and 617bae04dde90.jpg. If benzene is to be boiled at 30.00oC in a vacuum distillation, to what value of P must the pressure be lowered?
7. Exactly one liter of a 0.100 M solution of a substance A is added to 3.00 liters of a 0.050 M solution of a substance B. Assume ideal behavior and calculate the entropy of mixing.
(a) Calculate the rate constant for this reaction.
(b) How much time is required for this reaction to be 75% complete?
9. The rate constant for a reaction at 230 °C is found to be exactly twice the value at 220 °C. Calculate the activation energy.