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研究所、轉學考(插大)◆物理化學
> 91年 - 91 淡江大學 轉學考 物理化學#56319
91年 - 91 淡江大學 轉學考 物理化學#56319
科目：
研究所、轉學考(插大)◆物理化學 |
年份：
91年 |
選擇題數：
0 |
申論題數：
13
試卷資訊
所屬科目：
研究所、轉學考(插大)◆物理化學
選擇題 (0)
申論題 (13)
(a) Obtain numerical values for △U
therm
，△
Umech
for each stroke,
(b) calculate the efTiciency of the cycle,
(c) plot the Carnot cycic on a graph ofP versus V，
(d) plot the Carnot cycle on a graph of T versus S.
(a) Calculate the enthalpy change of the reaction AH and the equilibrium constant for this reaction.
(b) Assume a constant AM value, estimate the equilibrium constant at 120 °C.
【已刪除】3. Component A, with a molar mass of 200 g and a density of 1.500 g/mL, and component B, with a molar mass of 100 g and a density of 1.000 g/mL, form ideal solutions at 25 °C. Calculate
solution of 40 % in weight of B. (20%)
(a) Verify that the reaction is firsl-order, and deduce the values of the rate coelTicient at the (wo temperatures.
(b) I11 addition, estimate the activation energy.
(a) What is the limiting molar conductance of sodium propionate?
(b) What is the limiting conductance of propionic acid (C
2
H
5
COOH) ? (the limiting molar conductance of HCl and NaCl are 0.042616 and 0.012645 Ω
-1
m
2
mor
-1
)
(c) At a concentration of 1 M, the molar conductance A of propionic acid is 1.4 x 10
-4
Ω What is the degree of dissociation of propionic acid in lliis solution?
(d) Deduce dissociation constant for propionic acid. (20%)
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solution of 40 % in weight of B. (20%)