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A one kg non-stretch balloon fabric on the ground (Po= 1 bar) is attached to a 2 kg payload. One kg of helium is placed into the balloon. How many pounds of restraint are needed to keep the assembly tethered to the ground? When the restraints are cut how high does the assembly go in an isothermal atmosphere at -10 C? The balloon fabric can inflate to a maximum radius of five meters. At what altitude does the balloon.reach its maximum inflation? The balloon keeps rising past this height when it reaches maximum inflation and finally stops. Why does it stop? What is the pressure of the helium inside the balloon when it reaches its maximum altitude? If a little helium is released will the balloon go up or down? A 1 kg non-stretch balloon fabric on the ground (Po=1 bar) is attached to a 2 kg payload.
Diagram the most accurate procedure so you end up with at least 500 uL each of 5 ug/uL, 0.5 ug/uL and 0.05 ug/uL working solutions of BSA.
What is the pKa value of the proton alpha to the phenyl group, and what is the pka value of the proton attached to the carbonyl carbon?
A mixture is formed from 5.0 mol of liquid benzene and 5.0 mol of liquid toluene at 25 oC and 1 atm. Assume that the mixture is ideal. Use ?Gof (benzene,l) = 90.0 kJ/mol, ?Gof (toluene,l) = 100.0 kJ/mol,
Considering the structure of ferrocene and acetylferrocen, identify what interparticle/ intermolecular forces are present between these ferrocenes and the mobile phase. How do they help explain the order in which the ferrocenes come off the alumna..
Can someone help me solve the problem below? ? for one line of the hydrogen spectrum is .4118 x 10-4 cm. Use this value in the Rydberg equation to calculate the RH value
Calculate the pKa of the second ionizable group of Z.
There are very few compounds that contain an element from the noble gas family (elements in column 18, rightmost column). Explain why there are so few noble gas compounds in nature.
Determine how do you find out the new freezing point of a solution if given the formula is Delta T = m x kf x i but how do you find it how does it work?
isooctane a fuel used in gasoline engines because it has an antiknock octance rating of 100 has a density of 0.6919 g
Commercial concentrated aqueous ammonia is 28% by mass and has a density of 0.90 .What is the molarity of this solution?
calculate the molar absorptivity (epslion) of Cu2+ at 620nm given that the curvettes used in lab had a pathlegth of 1.00 cm.
A gaseous compound is 78.14 percent boron and 21 86 percent hydrogen . At 27 degrees celcius, 74.3 ml of gas exerted a pressure of 1.12 atm.
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