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Does trade create or destroy jobs? Discuss what the models of international trade suggest, and augment those models where necessary with further evidence and logical analysis.
Determine the pH of each of the following solutions. (a) 0.382 M hypochlorous acid (weak acid with Ka = 3e-08). (b) 0.900 M hypoiodous acid (weak acid with Ka = 2.3e-11). (c) 0.597 M pyridine (weak base with Kb = 1.7e-09).
Problem- The half-lives of different radioisotopes are given in the table below. How long would it take (in minutes) for the amount of argon-44 to decrease from 88.0 mg to 11.0 mg
How many grams of solute are required to make a 147 mL solution of sodium hydroxide with a concentration of 0.5330 M.
Find the concentration and pH solution - What is the pH of a solution of 0.65 M acid and 0.51 M of its conjugate base if the pKa = 5.30?
Calculate the pOH of a solution that results from mixing 27 mL of 0.11 M ethylamine (C2H5NH2) with 45 mL of 0.11 M C2H5NH3Cl.
Solutions of sulfuric acid and lead acetate react to form solid lead sulfate and a solution of acetic acid.5.70 of sulfuric acid and 5.70 of leadacetate are mixed.
Determine the flow is turbulent or streamline when the inside pipe diameter is 2.0 inches and the absolute viscosity of the fluid
The AIBN has an activity of 9.81*10^7 count min^-1 mol^-1 in a scintillation counter. if 3.22 g of the polystyrene has an activity of 203 counts min^-1, what is the mode termination?
determine the molarity of a solution prepared by dissolving 45.0g of CH3OH in sufficient water to make 725mL.
Letting A = spheres and B = blue spheres, write a balanced equation for the reaction.
What is the pH of a buffer solution that is 0.211 M in lactic acid and 0.111 M in sodium lactate? The Ka of lactic acid is 1.4 × 10-4.
Problem- A 25.0-mL solution of 0.0700 M EDTA was added to a 31.0-mL sample containing an unknown concentration of V3. All V3 present formed a complex, leaving excess EDTA in solution. This solution was back-titrated with a 0.0450 M Ga3 solution un..
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