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ed er A hot air balloon of 811m³ is made from 8.50kg of materials. The outside atmosphere is 1.00 atm, and 18C and pure N₂ atmosphere. • CH4 + 2 O₂ --> CO₂ + 2H₂O dHrxn = -890 kJ • All heat from CH4 burning goes into all the air originally in the balloon before heating SN2 = 0.55 J/gC What mass in grams of CH4 needed to be burned to achieve neutral buoyancy? 0 24.7 margin of error +/- 3%

ed er A hot air balloon of 811m³ is made from 8.50kg of materials. The outside atmosphere is 1.00 atm, and 18C and pure N₂ atmosphere. • CH4 + 2 O₂ --> CO₂ + 2H₂O dHrxn = -890 kJ • All heat from CH4 burning goes into all the air originally in the balloon before heating SN2 = 0.55 J/gC What mass in grams of CH4 needed to be burned to achieve neutral buoyancy? 0 24.7 margin of error +/- 3%

Chemistry for Engineering Students
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter9: Energy And Chemistry
Section: Chapter Questions
Problem 9.102PAE: 9.102 A runner generates 418 kJ of energy per kilometer from the cellular oxidation of food. The...
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ed er Question 1 A hot air balloon of 811m³ is made from 8.50kg of materials. The outside atmosphere is 1.00 atm, and 18C and pure N2 atmosphere. CH4 + 2 O₂ --> CO₂ + 2H₂O dHrxn = -890 kJ • All heat from CH4 burning goes into all the air originally in the balloon before heating • SN2 = 0.55 J/gC What mass in grams of CH4 needed to be burned to achieve neutral buoyancy? 0 24.7 margin of error +/- 3%
Transcribed Image Text:ed er Question 1 A hot air balloon of 811m³ is made from 8.50kg of materials. The outside atmosphere is 1.00 atm, and 18C and pure N2 atmosphere. CH4 + 2 O₂ --> CO₂ + 2H₂O dHrxn = -890 kJ • All heat from CH4 burning goes into all the air originally in the balloon before heating • SN2 = 0.55 J/gC What mass in grams of CH4 needed to be burned to achieve neutral buoyancy? 0 24.7 margin of error +/- 3%
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