Many water treatment plants use chlorine gas to kill mi-cro organisms before the water is released for residential use. Aplant engineer has to maintain the chlorine pressure in a tank be-low the 85.0-atm rating and, to be safe, decides to fill the tank to 80.0% of this maximum pressure. (a) How many moles of Cl₂ gas can be kept in the 850.-L tank at 298 K if she uses the ideal gas law in the calculation? (b) What is the tank pressure if she uses the van der Waals equation for this amount of gas? (c) Did the engineer fill the tank to the desired pressure?

Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter5: Gases
Section: Chapter Questions
Problem 5.105PAE: 105 The decomposition of mercury(II) thiocyanate produces an odd brown snake-like mass that is so...
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Many water treatment plants use chlorine gas to kill mi-cro organisms before the water is released for residential use. Aplant engineer has to maintain the chlorine pressure in a tank be-low the 85.0-atm rating and, to be safe, decides to fill the tank to 80.0% of this maximum pressure. (a) How many moles of Cl₂ gas can be kept in the 850.-L tank at 298 K if she uses the ideal gas law in the calculation? (b) What is the tank pressure if she uses the van der Waals equation for this amount of gas? (c) Did the engineer fill the tank to the desired pressure?

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