A high-pressure gas cylinder contains 70.0 L of toxic gas at a pressure of 2.10 x 107 N/m2 and a temperature of 14.0°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? N/m² (b) What is the final pressure if one-tenth of the gas escapes? N/m2 (c) 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)? K Additional Materials

A high-pressure gas cylinder contains 70.0 L of toxic gas at a pressure of 2.10 x 107 N/m2 and a temperature of 14.0°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? N/m² (b) What is the final pressure if one-tenth of the gas escapes? N/m2 (c) 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)? K Additional Materials

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

A high-pressure gas cylinder contains 70.0 L of toxic gas at a pressure of 2.10 x 107 N/m2 and a temperature of 14.0°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?
N/m²
(b) What is the final pressure if one-tenth of the gas escapes?
N/m²
(c) 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)?
K
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