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How may (a) neutral (b) acidic and (c) alkaline aqueous solutions be defined in terms of concentrations of hidrogen and hydroxyl ions and the pH?
Given a buret filled with .11 M acetic acid and a second buret filled with .15 sodium acetate, how many milliliters of each solution should be mixed together to produce 18.0 mL of a solution with a pH of 4.79
What is the Kp equalibrium constant expression for the following equalibrium? S8 (s) + 24F2(g) 8SF6(g) Kp=
Benzoic acid is a weak acid that has antimicrobial properties. Its sodium salt, sodium benzoate, is a preservative found in foods, medications, and personal hygiene products. Benzoic acid dissociates in water: C6H5COOH + H2O ==== H+ and C6H5COO- T..
Draw and label the galvanic cell, then write and identify he two half-life reactions and write the overall cell reaction. Calculate E. Write the cell diagram for the galvanic cell and calculate the expected cell potential
write contributing important resonance structures for each of the followingcompounds and predict their relative co
Give the balanced chemical equation (including phases) that describes the combustion of butene,
In temperature dependance of reaction rates, if you use R=8.314 J/molxK, what should the units be for Ea in the absence of conversions
Write the equation for the reaction that occurs when Zn is placed in a 1M HCl solution, and determine the net EMF for the reaction.
Calculate the pH of the 0.20 M NH3/0.24 M NH4Cl buffer. B)What is the pH of the buffer after the addition of 10.0 mL of 0.10 M HCl to 55.0 mL of the buffer?
What will be the direction of the reaction when the reactants and products have the following concentrations; CS2=0.14M, Cl2=).18 M,CCl4=0.28 M, and S2Cl2=0.20 M
For your cereal sample, you added the same volume of sodium acetate that you added to your standards and solution unknown. b) You forgot to add hydroxylamine hydrochloride when you prepared the standards
You are using a Geiger counter to measure the activity of a radioactive substance over the course of several minutes. If the reading of 400. counts has diminished to 100. counts after 35.2 minutes, what is the half-life of this substance
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