1. A high-pressure gas cylinder contains 60.0 L (1 L = 1x10-3 m³) of toxic gas at a pressure of 1.60 x 107 N/m² and a temperature of 18.0°C. Its valve leaks after the cylinder is dropped. The cylinder is cooled to dry ice temperatures (-78.5°C), to reduce the leak rate and pressure so that it can be safely repaired. a. What is the final pressure in the tank, assuming a negligible amount of gas leaks while being cooled and that there is no phase change? b. To what temperature must the tank be cooled to reduce the pressure to 1.00 atm (assuming the gas does not change phase and that there is no leakage during cooling)? (1 atm = 1.01325x105 N/m²)

1. A high-pressure gas cylinder contains 60.0 L (1 L = 1x10-3 m³) of toxic gas at a pressure of 1.60 x 107 N/m² and a temperature of 18.0°C. Its valve leaks after the cylinder is dropped. The cylinder is cooled to dry ice temperatures (-78.5°C), to reduce the leak rate and pressure so that it can be safely repaired. a. What is the final pressure in the tank, assuming a negligible amount of gas leaks while being cooled and that there is no phase change? b. To what temperature must the tank be cooled to reduce the pressure to 1.00 atm (assuming the gas does not change phase and that there is no leakage during cooling)? (1 atm = 1.01325x105 N/m²)

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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