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Using the permeability coefficients for polypropylene and polystyrene in the table below, choose the correct statements. Permeability coefficient PM [x10-¹3 (cm³ STP) (cm)/(cm²-s-Pa)] 0₂ N₂ CO₂ Polymer Polypropylene Polystyrene 1.2 2.0 0.22 0.59 5.4 7.9

Using the permeability coefficients for polypropylene and polystyrene in the table below, choose the correct statements. Permeability coefficient PM [x10-¹3 (cm³ STP) (cm)/(cm²-s-Pa)] 0₂ N₂ CO₂ Polymer Polypropylene Polystyrene 1.2 2.0 0.22 0.59 5.4 7.9

Refrigeration and Air Conditioning Technology (MindTap Course List)
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter2: Matter And Energy
Section: Chapter Questions
Problem 18RQ: Describe Dalton's law as it relates to a confined mixture of non-reactive gases.
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Using the permeability coefficients for polypropylene and polystyrene in the table below, choose the correct statements. Permeability coefficient PM [x10-¹3 (cm³ STP) (cm)/(cm²-s-Pa)] 0₂ N₂ CO₂ 0.22 Polymer Polypropylene Polystyrene 1.2 2.0 0.59 5.4 7.9 Select one: O a. The greater the molecular weight of a molecule is, the lower it's permeability will be O b. Unlike other polymers, polypropylene and polystyrene allow for better permeability of Oxygen than Nitrogen because of their inherent polymeric properties O C. A pressurized polypropylene vessel containing O₂ at a pressure of 150 kPa with an ambient O₂ pressure of 50 kPa would go flat slower than a pressurized polystyrene vessel containing N₂ at a pressure of 750 kPa and ambient N₂ pressure of 250 kPa O d. A pressurized polypropylene vessel containing CO₂ at a pressure of 150 kPa with an ambient CO₂ pressure of 50 kPa would go flat slower than a pressurized polystyrene vessel containing N₂ at a pressure of 750 kPa and ambient N₂ pressure of 250 kPa
Transcribed Image Text:Using the permeability coefficients for polypropylene and polystyrene in the table below, choose the correct statements. Permeability coefficient PM [x10-¹3 (cm³ STP) (cm)/(cm²-s-Pa)] 0₂ N₂ CO₂ 0.22 Polymer Polypropylene Polystyrene 1.2 2.0 0.59 5.4 7.9 Select one: O a. The greater the molecular weight of a molecule is, the lower it's permeability will be O b. Unlike other polymers, polypropylene and polystyrene allow for better permeability of Oxygen than Nitrogen because of their inherent polymeric properties O C. A pressurized polypropylene vessel containing O₂ at a pressure of 150 kPa with an ambient O₂ pressure of 50 kPa would go flat slower than a pressurized polystyrene vessel containing N₂ at a pressure of 750 kPa and ambient N₂ pressure of 250 kPa O d. A pressurized polypropylene vessel containing CO₂ at a pressure of 150 kPa with an ambient CO₂ pressure of 50 kPa would go flat slower than a pressurized polystyrene vessel containing N₂ at a pressure of 750 kPa and ambient N₂ pressure of 250 kPa
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