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As molecules move up a fractional distillation column. They condense and revaporize. During which of tese steps in the concentration of the more volatile compound of the mixture increased? Briefly explain.
Consider the titration of 51.5 mL of 1.2M NaOH with 1.0 M HCl. Find the PH at the following points. The acid volume needed to reach the equivalence point
Problem- Given that P*(H2O)=0.02308 atm and P(H2O)=0.02171 atm in a solution in which 0.207 kg of a non-volatile solute(M=298g/mol)is dissolved in 0.892kg water at 293K, calculate the activity of and activity coefficient of water in the solution
In this experiment we used ortho-vanillin and p-toluidine to form the imine. Why does the reaction mixture turn into a liquid when the ortho-vanillin and p-toluidine are initially mixed? What is the name or melting point of the product?
a female patient requires 2.70times10-2 grams of a sulfa drug then determines how many tablets should be given to her
Using this equation, determine how many moles are formed for every one mole of KIO3. KIO3 + 5I + 6H ? 3I2 + 3H2O + K B)Using this equation, determine how many moles S2O3 are needed to titrate the number of moles of I2 calculated in A.
Convert 45.3 inches to millimeters
The van't Hoff factor for KCl is i = 1.85. What is the boiling point of a 0.90 m solution of KCl in water. For water, Kb = 0.51 C*kg/mol
a 436 mL volume of hydrogen gas is collected at 25 kelvin and 725 torr. what volume will gas occupy at STP
Question- For each of the following compounds, write a balanced net ionic equation and a Ksp expression for AgCO3, PbCrO4,and Hg2Cl2 Provide the complete equation
Calculate Kc for the equilibrium: NO(g) + 1/2 O2(g) NO2(g) if Kp= 1.3 X 10^6 at 298 Kelvin
discuss how to prepare the solution in question A starting from 0.100 M formic acid and 0.150 M sodium formate
What is the hydronium-ion concentration of a 4.07 10-4 M solution of p-bromobenzoic acid, BrC6H4COOH, for which Ka = 1.00 10-4?
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