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If the solubility of O2 from the air is 2.67x10^-4M at sea level and 25 degrees celsius, what is the solubilty of O2 at an elevation of 12, 000 ft where the atmospheric pressure is 0.657 atm? Assume the temperature is 25 degrees celsius, and that the mole fraction of O2 in air is 0.209 at both 12, 000 ft and at sea level.
Explain why the C=C stretching mode gives rise to a rather weak IR band in 1-methylcyclohexane, while in its isomer
The molar heat of vaporization at 298 K for diethyl ether(C4H10O) is 26.0 kj/mol. How much heat would be requiered to vaporize 0.714 g of ether at 289 K?
Use any other reagents that you need. Hint: you may first want to conduct some chemistry on each alkene first, then use the resulting products to make 1-decanol.
Dissolve a compound with a molecular mass of 272.05 in a 10-mL volumetric flask. You remove a 1.00-mL aliquot, place it in a 25-mL volumetric flask and dilute it to the mark.
A sample of nitrogen gas is contained in a piston with a freely moving cylinder. At0?C, the volume of the gas is 248 mL. To what temperature must the gas be heated to occupy a volume of 479mL.
CH4(g) + 3 Cl2(g) CHCl3(g) + 3 HCl(g) How many grams of CH4 is needed to produce 43.0 g CHCl3?
what is the chemical equation that describes both these reactions? Please give the chemical equations of what happens in this situation
Calculate the free energy change for translocating a proton out of the mitochondrial matrix, where pH(matrix) = 7.6 pH(cytosol) = 7.2
Determine end value of n in a hydrogen atom if the electron starts in n=4 and atom emits wavelength of 486nm.
Half-life of first order process, A reactant undergoes a dissociation reaction A r arrow 2B which follows first order kinetics. The initial concentration of reactant A is .4000
if the ethyl alcohol at 35 degree rise through 8.36 cm in a capillary tube of radius 0.20 mm , What is surface tension
Breathalyzers determine the alcohol content in a person's breath by the following (unbalanced) redox reaction:
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