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What is the equilibrium vapor pressure at 396oC for a liquid with enthalpy of vaporization 27kJ/mol and C=3250? (R is the 8.314 version. Answer in atm.)
Carbonate buffers are significant in regulating PH of blood at 7.40. Calculate the concentration of Carbon dioxide in a 0.200M NaHCO3 at PH=7.40.
An unknown noble gas effuses through a tiny hole into an evacuated space with a rate that is 0.578 times the rate of N2(g): rateunk/raten2=0.578. calculate the molar mass of the noble gas in g/mol using Gtaham's law of effusion (N=14.0)
A 100ml sample of sodium bromide containde co104.62g of sodium bromide. upon evaporation, 6.280g of reside was obtained. frome this data calculate each of the folowing for the solution
a 50 ml vol. of 25 ppm solution of niiiis made fromnicl26h20.a.what is the concentration of niii in micromolar units.b.
A certain reaction has activation energy of 65.13 kJ/mol. Explain At what Kelvin temperature will the reaction proceed 6.00 times faster than it did at 357 K
Calculate the change in chemical potential of an ideal gas when its pressure is increased isothermally from 1.8 atm to 29.5 atm at 40 C.
Using active extraction (changing the polarity) and a gravity filtration to remove a component, describe how you would obtain pure naphthoic acid from this mixture.
What is the concentration of the final solution obtained when 200.0 mL of a 0.00600-M solution of Red #40 dye is added to 400 mL of a 1.2 x 10^-2 solution of Red #40 dye to make a total volume of 600.0 mL?
what is the maximum pressure that will be attained in the tank before the plug will melt and release gas?
Andrew Foods, Inc., produces a sweet syrup made from com syrup and beet syrup mixed with pure sugar. For each batch, 680 lbm of beet syrup.
Calculate the molarity of a solution of glycerol made by dissolving 67.000 mL glycerol at 15 C in enough water to make 320.00 mL of solution.
Calculate the heat released when 25.0 g of water at 0 degrees C crystallizes to ice at the same temp. The specific heat of water is 1.00 cal/(g *degrees C); the heat of fusion is 80.0 cal/g and the heat of vaporization is 540.0 cal/g.
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