a) A certain sample of gas has a volume of 20.0 dm3 at 0oC and 1.0 atm. A plot of the experimental data of its volume against the celcius temperature, Ɵ, at constant pressure, gives a straight line of slope 0.074 dm3 /o From these data alone (without use of the perfect gas law) determine the absolute zero of temperature in degrees Celsius?b) Ballons are still used to deploy sensors that monitor meteorological phenomena. It is possible to investigate some of the technicalities of ballooning by using perfect gas law. Suppose your balloon has a radius of 3.0 m and that is spherical.What mass of H2 (in mol) is needed to inflate it to 1.0 atm in an ambient temperature of 25oC at sea level?What mass can the balloon lift at sea level,where the density of air is 1.22 kg /m3?What would be the payload if He were used instead of H2?

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Answered: a) A certain sample of gas has a volume…

General Chemistry - Standalone book (MindTap Course List)

11th Edition

ISBN:9781305580343

Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell

Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell

Chapter5: The Gaseous State

Section: Chapter Questions

Problem 5.103QP: Calculate the molar volume of ethane at 1.00 atm and 0C and at 10.0 atm and 0C, using the van der...

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a) A certain sample of gas has a volume of 20.0 dm³ at 0^oC and 1.0 atm. A plot of the experimental data of its volume against the celcius temperature, Ɵ, at constant pressure, gives a straight line of slope 0.074 dm³ /^o From these data alone (without use of the perfect gas law) determine the absolute zero of temperature in degrees Celsius?
b) Ballons are still used to deploy sensors that monitor meteorological phenomena. It is possible to investigate some of the technicalities of ballooning by using perfect gas law. Suppose your balloon has a radius of 3.0 m and that is spherical.

What mass of H₂ (in mol) is needed to inflate it to 1.0 atm in an ambient temperature of 25^oC at sea level?
What mass can the balloon lift at sea level,where the density of air is 1.22 kg /m³?
What would be the payload if He were used instead of H₂?

Definition Definition Any of various laws that describe the ways in which volume, temperature, pressure, and other conditions correlate when matter is in a gaseous state. At a constant temperature, the pressure of a particular amount of gas is inversely proportional with its volume (Boyle's Law) In a closed system with constant pressure, the volume of an ideal gas is in direct relation with its temperature (Charles's Law) At a constant volume, the pressure of a gas is in direct relation to its temperature (Gay-Lussac's Law) If the volume of all gases are equal and under the a similar temperature and pressure, then they contain an equal number of molecules (Avogadro's Law) The state of a particular amount of gas can be determined by its pressure, volume and temperature (Ideal Gas law)

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