The article Permeability, Diffusion and Solubility of Gases (B. Flaconn`eche, et al.
Chapter 5, Problem 12(choose chapter or problem)
The article “Permeability, Diffusion and Solubility of Gases” (B. Flaconn`eche, et al., Oil and Gas Science and Technology, 2001:262–278) reported on a study of the effect of temperature and other factors on gas transport coefficients in semicrystalline polymers. The permeability coefficient \(\left(\text { in } 10^{-6} \mathrm{~cm}^{3}(S T P) / \mathrm{cm} \cdot \mathrm{s} \cdot M P a\right)\) of \(C O_{2}\) was measured for extruded medium-density polyethylene at both \(60^{\circ} \mathrm{C} \text { and } 61^{\circ} \mathrm{C}\). The results are as follows:
\(60^{\circ} \mathrm{C}\): 54 51 61 67 57 69 60 60 63 62
\(61^{\circ} \mathrm{C}\): 58 60 66 66 68 61 60
Find a 95% confidence interval for the difference in the permeability coefficent between \(60^{\circ} \mathrm{C}\) and \(61^{\circ} \mathrm{C}\).
Equation Transcription:
Text Transcription:
(in 10-6 cm3 (STP)/cmsMPa)
CO2
60°C and 61°C
60°C
61°C
60°C
61°C
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