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Compute the pH for each of the given cases in the titration of 50.0 mL of 0.210 M Hypochlorous acid,HClO(aq) with 0.210 M Potassium hydroxide, KOH(aq). Determine the ionization constant for Hypochlorous before addition of any Potassium hydroxide, KOH and after addition of 25.0 mL of KOH ?
Given the following data table of average bond enthalpies, estimate the ΔH^rxn for the reactions 2H2+O2-- 2H2O. What is the hybridization of xenon in each of your Lewis resonance structures?
Find either the wood oak or pine if The given density of oak = 0.9 g/cm 3 , the density of pine = 0.4g/cm 3 .
Calculate the pressure in the flask in atmospheres and torr also If the sealed-tube manometer in had a height difference of 20.0 inches between the Hg levels?
Determine how many moles each of Na+ and Cl- are in 0.700 L of the saline solution (A physiological saline solution contains 167 mEq/L each of Na+ and Cl-.)?
Questions on H-NMR spectrum of isopentyl acetate - What would the effect on yield be of allowing the crushed Dry Ice to be exposed to the atmosphere for long periods of time before being used?
The insecticide DDT has a half-life in the human body of about 7 years. That is, in 7 years its concentration.( Although DDT is no longer in use in the United States).
A procedural change would be essential if a boy want to determine the tomato juice's acidity by titrating a sample of juice with NaOH(sodium hydroxide) solution Briefly explain What change would you make to the procedure ?
Determine the amount of energy involved in calories given off when 85 grams of H2O cools from 45 degrees Celsius to 25 degrees Celsius?
Identify the unknown gas - Find the molecular formula of the compound
To determine the volume of a gas using ideal gas law and evaluate the number of moles of a gas using ideal gas law.
A peat soil was found to have the following Langmuir constants for the adsorption of heavy metals. Using the nonlinear Langmuir equation above, show the equations and plot the nonlinear adsorption isotherms for the three metals
Determine what is the percent yield of the reaction If 15.0 grams of Nitrogen and 2.00 grams Hydrogen react to produce 1.38 grams of Ammonia?
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