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A balloon is filled with He(helium) of 500.0mL at 27 0C and 755 mm Hg. in the atmosphere when the balloon rises, the drop in the pressure and temperature was measured then determine volume it would have if it reaches an altitude where the temperature = -33 0C , pressure = 0.65 atm?
what is the energy uncertainty associated with a short pulse of laser light that lasts 4.8fs
A solution is made by dissolving 3.14g of NaCl in 79.9mL of water. What is the concentration of sodium chloride in units of weight/volume percent?
Even with a perfect shima and a higher field of instrument, the spectrum of 2-methyl-2-hexanol is difficult to interpret. Give two different reasons for this difficulty
Calculate the pH of the solution that is 0.600 M CH3NH2 and 0.500 M CH3NH3Cl. (Kb for CH3NH2 = 4.38 x 10-4)
arrange the following alkenes in order of increasing heat of hydrogenation (That is, heat released when the compound is hydrogenated). 1 = lowest heat,...................5=highest heat
Vanadium crystallizes in a body centered cubic lattice (the V atoms occupy only the lattice points). How many V atoms are present in a unit cell?
At 25 degrees celsius at 0.50 g sample of polyisobutylene (a polymer used in synthetic rubber) in 100.0 ml of benzene solution has an osmotic pressure that supports a 5.1mm column of solution (d = 0.88 g/mL). What is the molar mass of the polyisob..
The Haber process is used in industry to produce ammonia from N2 and H2. A reactor contains NH3, N2, and H2 at equilibrium at 1000 K. The concentration of NH3 is 0.102 moles/liter, N2 is 1.03 moles/liter, and H2 is 1.62 moles/liter. Calculate the ..
One ecologically important equilibrium is that between carbonate and hydrogencarbonate (bicarbonate) ions in natural water. (a) Th e standard Gibbs energies of formation of CO3
BUild on this by writing out of a chemical equation for the reaction you expect 2 propanol will undergo. Write only the organic reactions and products and write them as structural formula.
What mass of iron (III) chloride in g is present in 2.50 ml of this solution
What is the average current passing through a solution of NiSO4 if 1.25 g of Ni were deposited in 4.07 hours? i = A
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