The clear plastic bottles used for carbonated beverages (sometimes also called “soda,” “pop,” or “soda pop”) are made from poly(ethylene terephthalate) (PET). The “fizz” in pop results from dissolved carbon dioxide (CO2); because PET is permeable to CO2, pop stored in PET bottles will eventually go “flat” (i.e., lose its fizz). A 20-oz. bottle of pop has a CO2 pressure of about 485 kPa inside the bottle, and the CO2 pressure outside the bottle is 0.6 kPa. The Permeability Constant of the PET bottle is 0.23 x 10^-13 cm3@STP.cm/cm2.s.Pa. Note: assume that each bottle has a surface area of 500 cm2 and a wall thickness of 0.07 cm. If the bottle must lose 750 (cm3 STP) of CO2 before the pop tastes flat, what is the shelf life in days for a bottle of pop? Round your answer to 0 decimal places.
The clear plastic bottles used for carbonated beverages (sometimes also called “soda,” “pop,” or “soda pop”) are made from poly(ethylene terephthalate) (PET). The “fizz” in pop results from dissolved carbon dioxide (CO2); because PET is permeable to CO2, pop stored in PET bottles will eventually go “flat” (i.e., lose its fizz). A 20-oz. bottle of pop has a CO2 pressure of about 485 kPa inside the bottle, and the CO2 pressure outside the bottle is 0.6 kPa. The Permeability Constant of the PET bottle is 0.23 x 10^-13 cm3@STP.cm/cm2.s.Pa. Note: assume that each bottle has a surface area of 500 cm2 and a wall thickness of 0.07 cm. If the bottle must lose 750 (cm3 STP) of CO2 before the pop tastes flat, what is the shelf life in days for a bottle of pop? Round your answer to 0 decimal places.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Question
The clear plastic bottles used for carbonated beverages (sometimes also called
“soda,” “pop,” or “soda pop”) are made from poly(ethylene terephthalate)
(PET). The “fizz” in pop results from dissolved carbon dioxide (CO2); because
PET is permeable to CO2, pop stored in PET bottles will eventually go “flat”
(i.e., lose its fizz). A 20-oz. bottle of pop has a CO2 pressure of about 485 kPa
inside the bottle, and the CO2 pressure outside the bottle is 0.6 kPa.
The Permeability Constant of the PET bottle is 0.23 x 10^-13 cm3@STP.cm/cm2.s.Pa. Note: assume that each bottle has a surface area of 500 cm2 and a wall thickness of 0.07 cm. If the bottle must lose 750 (cm3 STP) of CO2 before the pop tastes flat, what is the shelf life in days for a bottle of pop?
Round your answer to 0 decimal places.
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