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At 85 C the vaper pressure of A is 566 torr and that B is 250. Caculate the composition of a mixture of A and B that boils at 85 C when the presure is 0.60atm. Also Caculate the composition of the vaper mixture. Assume ideal behavior.
0.76 grams of acetic acid is solvated in enough water to make 50 mL of solution. The Ka for acetic acid is 1.8x10^-5. Calculate the concentration of the hydronium cation at equilibrium.
Write a balanced equation for the reduction of ethyl acetoacetate to S(+) ethyl 3-hydroxybutanoate, show stereochemistry
The reaction 2H2(g) + 2NO(g) -> 2H2O(g) + N2(g) is first order in h^2 and second order in No at a particular temperature. What is the rate law
The endpoint in the titration is "overshot" A. is the reported molar concentration of the hydrochloric acid solution too high or too low. B. As a result of this poor titration technique, is the reported number of moles of B4O5(OH)4^2 would be too ..
How long will it take 10.0 mL of neon gas to effuse through a porous barrier if it has been observed that 91.2 minutes are required for 10.0 mL of Cl2 gas to effuse through the same barrier?
A 13.00 g sample of an ionic compound NaA, where A- is the anion of a weak acid, was dissolved in enough water to make 100.0 mL of solution and was then titrated with 0.100 M HCl.
Using electronegativity arguments, classify the following diatomic molecules as nonpolar (N), polar (P), or ionic (I). (Use the drop down menus to choose your answers
In an ethanol-chloroform solution in which the mole fraction of ethanol is 0.20, the total vapor pressure is 304.2 torr, and the mole fraction of ethanol in the vapor is 0.138. Calculate the activity coefficients of the ethanol and the chloroform.
Write a balanced chemical equation for the formation of CH3OH (l) from the elements in their standard states.
A 10.00 mL sample of vinegar is titrated with 0.5062 M NaOH and 16.58 mL is needed to reach the equivalence point. What is the molarity of the vinegar
What is the pH of a 1.3 * 10^-7 M solution of benzoic acid at 25C. pKa of benzoic acid is 4.19 at 25C. (Might have to take into account the autoionization of water).
In an TLC experiment with paprika, which red spot is capsanthing and which is capsorbin? Is it the one that travels the farthest or least? How can You tell?
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