Gas chromatography can be used to evaluate thermodynamic parameters of volatile compounds such as those shown below. Calculate the heat of adsorption of the following alkanes on activated alumina based on the following Henry's Law Constants. Explain the trend in enthalpies and entropies of adsorption for the four alkanes. Henry's Law Constants for n-Alkane Adsorption on Activated Alumina Compound 185 °C 195 °C 205 °C 215 °C n-Pentane 1.292 1.034 0.863 0.719 n-Hexane 2.894 2.167 1.712 1.387 n-Heptane 7.297 5.564 4.414 3.184
Gas chromatography can be used to evaluate thermodynamic parameters of volatile compounds such as those shown below. Calculate the heat of adsorption of the following alkanes on activated alumina based on the following Henry's Law Constants. Explain the trend in enthalpies and entropies of adsorption for the four alkanes. Henry's Law Constants for n-Alkane Adsorption on Activated Alumina Compound 185 °C 195 °C 205 °C 215 °C n-Pentane 1.292 1.034 0.863 0.719 n-Hexane 2.894 2.167 1.712 1.387 n-Heptane 7.297 5.564 4.414 3.184
Chapter2: Crystallization
Section: Chapter Questions
Problem 2Q
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![1. Gas chromatography can be used to evaluate thermodynamic parameters of volatile
compounds such as those shown below. Calculate the heat of adsorption of the following
alkanes on activated alumina based on the following Henry's Law Constants. Explain the trend
in enthalpies and entropies of adsorption for the four alkanes.
Henry's Law Constants for n-Alkane Adsorption on Activated Alumina
Compound
185 °C
195 °C
205 °C
215 °C
n-Pentane
1.292
1.034
0.863
0.719
n-Hexane
2.894
2.167
1.712
1.387
n-Heptane
7.297
5.564
4.414
3.184](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3efcfdc9-3887-49b4-a95a-31be72260245%2F1559b56b-e919-4c7d-9f25-5f9ba621694f%2Fdjooy9q_processed.png&w=3840&q=75)
Transcribed Image Text:1. Gas chromatography can be used to evaluate thermodynamic parameters of volatile
compounds such as those shown below. Calculate the heat of adsorption of the following
alkanes on activated alumina based on the following Henry's Law Constants. Explain the trend
in enthalpies and entropies of adsorption for the four alkanes.
Henry's Law Constants for n-Alkane Adsorption on Activated Alumina
Compound
185 °C
195 °C
205 °C
215 °C
n-Pentane
1.292
1.034
0.863
0.719
n-Hexane
2.894
2.167
1.712
1.387
n-Heptane
7.297
5.564
4.414
3.184
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