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A mixture of ethanol and 1-proponol behaves ideally at 36 degrees celcius and is in equillibrium with its vapor. If the mole fraction of ethanol in the solution 0.49, calculate the mole fraction in the vapor phase at this temperature. (the vapor pressure of pure ethanol and 1-propanol at 36 degrees celcius is 108 mmHg and 40mmHg, respectively)
Determine the pH of each of the following solutions. (a) 0.382 M hypochlorous acid (weak acid with Ka = 3e-08). (b) 0.900 M hypoiodous acid (weak acid with Ka = 2.3e-11). (c) 0.597 M pyridine (weak base with Kb = 1.7e-09).
for a first-order reaction. at 750 k 15 of a sample of cyclopropane changes to propene in 6.8 minutes. what is the
gave straight line relationship. It took 52.3 seconds for concentration of A to decrease from 0.667 M to 0.117 M. What is the half life of the reaciton when [A]o = 0.667 M?
if 1g of pyrrole and 1g of benzaldehyde are reacted with acid catalyst to form tetraphenylporphyrin what is the
how many unshared electron pairs must be included in the lewis structure for water , H2O? a-0 b-1 c-2 d-3 f-4
To whats volume in liters must 105 mL of hydrochloric acid containing 47.5g of HCl be diluted to make a 1.05M solution ?
10-ml volumetric flask an empty weighs 10.263 grams.nbsp the mass is 20.211 grams after filling to the mark with
(a) How many stereoisomers are possible for 1-methyl-1,2-cyclohexanediol? (b) Name the stereoisomers formed by oxidation of 1-methylcyclohexene with osmium tetroxide. (c) Is the product formed in step (b) optically active
Elementary mercury was first discovered when a mercury oxide was decomposed with heat, foarming mercury metal and oxygen gas. Wehn 0.24-g sample of the mercury oxide is heated, 0.189-g of mercury metal reamins.
Using data from the thermodynamic quantites at 298.15 K, calculate delta H^degree, delta S^degree, and delta G^degree at 298K for each reaction. Show that delta G^degree = delta H^degree - T(deltaS^degree)
How many grams of magnesium metal will react completely with 4.8 liters of 5.0 M HCl?
Could you please explain to me the purpose and what's happening when we add the MTBE and then the NaHCO3? I know it has to do something with getting rid of carboxylic acid? and then getting rid of water
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