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(1) You have CH3COOH what if any experimental evidence do you have that the equilibrium is affected by the addition of solid CH3COON. Briefly explain.
(2) Are your observation and explanation in (1) consistent with Le Chatelier's principle? Briefly explain.
(3) What if any experimental evidence do you have that the equilibrium is affected by the addition of NaOH solution? Briefly explain.
(4) Are your observation and explanation in (3) consistent with Le Chatelier's principle? Briefly explain.
2 K + Cl2 ---> 2 KCl How many grams of KCl is produced from 2.50 g of K and excess Cl2. From 1.00 g of Cl2 and excess K?
Calculate the molarity of a solution made by adding 22.1 mL of concentrated ammonia (28.0 % by mass, density 0.880 g/mL) to some water in a volumetric flask, then adding water to the mark to make exactly 500 mL of solution.
What is the pH of a 2.025 M solution of the weak acid H3A? [Note: H3A has K1=3.429x10-6, K2=2.914x10-10, and K3=6.738x10-12
Ethyl chloride vapor decomposes by the first-order reaction C2H5Cl --> C2H4 + HCl The activation energy is 249 kJ/mol and the frequency factor is 1.6 X 10^14 s^-1 The rate constant at 730 K is 2.4 x 10^-4 s^-1. 1)
A buffer solution is prepared by dissolving 1.50g each of benzioc acid C6H5CO2H and sodium benzoate NaC6H5CO2 in 150.0mL of solution.
A solution of NaCI and water has a molality of 4.0m. Predict the mass of a sample of this solution which contains 1000 grams of pure water
A solid sample containing some Fe^2+ ion weighs 1.062 g. It requires 24.12 mL 0.01562 m KNno4 to titrate Fe^2+ in the dissolved sample to a pink end point
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
Using a stock solution of 95.4ppm MgCO3, you are directed by your instructor to make calibration standards of 1.0, 7.5, and12.0 ppm. If you use 100mL volumetric flasks to make the solutions, what volume of stock solution will you require for each ..
Suppose you made up a solution in which you dissolved 4.5 g of glucose (C6H12O6) into a total volume of 200mL. What is the % w/v concentration
A primary alkyl halide reacts with a strong nucleophile. The reaction will proceed via which of the following mechanism(s)? Answer SN1, SN2, E1, E2, or SN1 and E1
The chloride in the sample was precipitated by the addition of 47.8 mL of a silver nitrate solution. What is the concentration of the silver nitrate solution?
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