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Polyethylene can be chlorinated by inducing a random substitution of chlorine atoms for hydrogen. What is the concentration of Cl (in wt%) if this substitution occurs for 15% of all original hydrogen atoms?
How many milliliters of 0.100 M NaOH are required to react completely with a sample of the solid carboxylic acid lactic acid, CH3CH(OH)COOH, with a mass of 0.1351 g (molar mass of lactic acid is 90.08 g/mol) The acid is monoprotic, only the last H..
A 15.0 ml sample of nitric acid solution is titrated with a 0.960 M barium hydroxide until the end point. Based on the titration data, the concentration of nitric acid is determined to be 3.18 M. Calculate the volume in milliliters of barium hydro..
a system consisting of 57.5 g of liquid water at 298k is heated using an immersion heater at a constant pressure of1.00
Each of 2 front tire in the car is filled with a different gas. One tire contains 116g of helium, another tire has 160g of unknown gas. How many times heavier is a molecule of the unkown gas than an atom of helium.
question a 50.00-ml solution of 0.0350 m ammonia kb 1.8 times 10-5 is titrated with a 0.0152 m solution of
what's the molar solubility (mol/L) of Cr(OH)3 at pH=10.00 (not buffered)? Ksp for Cr(OH)3 is 3.0E-29
The function (x)=A(x/a)^2(1-(x/a)) is an acceptable wave function for the article in the one-dimensional infinite depth of length a. Calculate the normalization constant a and the expectation value
Balance the equation for the following reaction in a basic solution. Give balanced equations for both half-reactions and balanced equation for the overall reaction.
An unknown amount of water is mixed with 300 mL of a 6 M solution of NaOH solution. A 75 mL sample of the resulting solution is titrated to neutrality with 51.7 mL of 6 M HCl. Calculate the concentration of the diluted NaOH solution. Answer in uni..
A container id filled with 4 moles of water and the molar mass of water is 18 grams per mole. What is the mass of the water in the container in grams
Calculate the amount of copper sulfate in solution formed by the reaction of.500g of elemental copper with excess silver sulfate.
h2s and h2o have similar structures and their central atoms belond to the same group. why is h2s a gas at room
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