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Liquids A and B form an ideal solution. Define a mixture of the vapors which is 40 mole % in A is contained in a piston as well as cylinder arrangement which is kept at a certain constant temperature T. The system is then gradually compressed. Given that PA* and PB* are 0.40 and 1.2 atm, respectively, at T, compute the total pressure at which liquid first begins to condense out and as well the composition of this liquid. Compute the composition of that solution whose normal boiling point is T
Write the defining expression for the conditional solubility product constant, Ksp'. Than For the Ca2+ and F- ions, write the mathematical relations defining activity of each ion in terms of its concentration and activity coefficient.
a student prepares benzoic acid by hydrolying 6.47g of methyle benzoate (FW 136.15g/mol) using excess sodium hydroxide. If the student recovers 3.71g
calculate number of moles of anhydrous compound recovered. c- calculate number of moles of water lost from the hydrated compound.d- what is the formula of the hydrate?
Given the stepwise formation constants for Zn(NH3)4 complex are logKf1=2.18 , logKf2=4.43 , logKf3=6.74 , logKf4=8.70 and the pKb fo ammonia is 4.76.
What maximum mass of sulfur in kg could be produced by the reaction of 1.3 x 10 4(the 4th) m3 of SO2(g) with 2.5 x 10 4(the 4th) m3 of H2S(g), both at STP
a certain weak acid hahas a ka value of 9.7 x 10 -7.calculate the percent dissociation of ha in a 0.10 msolution?
What is the boiling point (in ?C) of each of the solutions below? For water, Kb = 0.51(?C ? kg)/mol. The vapor pressure of water at 45.0?C is 71.93mm Hg.
A gas mixture contains each of the following gases at the indicated partial pressures: N2, 221 torr; O2, 131 torr; and He, 131 torr.
Describe how you would prepare each of the following aqueous solutions. - 230 g of a solution that is 0.60 molal in Na2CO3 starting with the solid solute.
Determine the rate of disappearance of A when [A]=.50 M and [B]= .25M. Determine the rate of disappearance of B when [A]= .50 M and [B]=.25M
The label claims this solution is 3.0 % (w/w); that is there are 3.0 grams of H2O2 in every 100 grams of solution. What is the molar concentration of this solution. Assume a density of 1.00 g mL
Describe a procedure for making 100 mL of a 0.10 M solution of barium nitrate, Ba(NO3)2.
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