When launched, a weather balloon contains 7.6 Γ 103l of helium at an atmospheric pressure of 1.1atm. given that a weather balloon can stretch to contain a volume of 6.4 Γ 105l before it pops, calculate the atmospheric pressure when the balloon pops. assume that the atmospheric temperaturedoes not change during the balloonβs ο¬ight
Answers: 2
Chemistry, 22.06.2019 09:30
Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?
Answers: 3
Chemistry, 22.06.2019 12:30
The bond energy for the van der waals bond between two helium atoms is 7.9Γ10β4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms
Answers: 1
Chemistry, 22.06.2019 16:00
As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit
Answers: 2
When launched, a weather balloon contains 7.6 Γ 103l of helium at an atmospheric pressure of 1.1atm....
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