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Gases and the KineticMolecular TheoryPrinciples of General Chemistry, 2nded. By M. SilberbergChemistry, 8th ed.by W. Whitten, R. Davis, R., M. L. Peck, and G. Stanley.1. A steel tank used for fuel delivery is fitted with a safetyvalve that opens if the internal pressure exceeds 1.00 x103torr.It is filled with methane at 23oC and 0.991 atmand placed in boiling water at exactly 100oC.Will thesafety valve open?Exercises2. A scale model of a blimp rises when it is filled withhelium to a volume of 55.0 dm3.When 1.10 mol of He isadded to the blimp, the volume is 26.2 dm3.How manymore grams of He must be added to make it rise?Assume constantTandP.3. A steel tank has a volume of 438 L and is filled with0.885 kg of O2.Calculate the pressure of O2at 21oC.SolutionsTT2xn1g2
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Chapter 3 / Exercise 133
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7Mass-Volume Relationships inReactions Involving GasesExample:What volume of oxygenmeasured at STP, can be producedby the thermal decomposition of 120.0g of KClO3?82STP22STP323332STPOL9.32Omol1OL4.22KClOmol2Omol3KClOg122.6KClOmol1KClOg120.0OL=×××=Mass-Volume Relationships inReactions Involving GasesExercises

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SIAO
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Chemistry
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Chapter 3 / Exercise 133
Chemistry
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