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A mixture of two miscible liquids with a widely different boiling point is distilled. The temperature of distilled liquid is observed to plateau and then drop before rising again. Explain the temperature drop.
A benzoic acid solution was prepared by adding 0.488 g benzoicacid to a 100 mL volumetric flask and then adding enough water tobring the total solution volume to 100.00 mL.
Determine the acid dissociation constant Ka for a 0.010 (equilibrium) H3O^+ (aq) + NO2^- A.) 4.0 x 10^-4 b.) 5.0 x 10^-4 c.) 2.0 x 10^-3 I know the answer is B but I do not understand how to get.
if 77.0 mL of .150 M HCl (aq) is needed to neutralize all the NH3(g) from a 2.25 gram sample of organic material, calculate the mass percentage of nitroge in the sample.
Calculate the pH of each of the following strong acid solutions: 2.17 x 10^-2M HNO3 (express using 3 decimal places) 0.320 g of HClO3 in 3.00L of solution (express using 3 decimal places)
Partially frozen ice cream is being placed in a package before completion of the freezing process. The package has the dimensions 10 cm in diameter by 20 cm in height, and is placed in air-blast freezing with a convective heat coefficient of 50 W/..
What is the estimated quantity of energy released in the combustion of methanol?
what is the molarity of a solution prepared using the given amount of solute and total volume of solution.
How many grams of IKI (iodine-potassium iodide; molar mass = 166.0 g/mol) would it take to obtain a 100.0 mL solution of 0.300 M IKI? How many grams of IKI would it take
What volume of 0.125 M cobalt(III) sulfate is required to react completely with 4.00 g of potassium carbonate if the reaction proceeds according to the following equation
How many grams of Potassium Chlorate decompose to passium chloride and 638mL of O2 at 128 degrees C and 752 Torr. 2KClO3 (s) => 2KCl (s) + 3O2(g)
calculate the ratio kcatkuncat.a a reaction has horxn -120. kjmol and a forward activation energy ea 80. kjmol. what
Given that mercury has a Hvap of 59.11 kJ/mol and its normal boiling point is 356.7°C, calculate the vapor pressure in mm Hg at room temperature, 25°C.
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