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A 50.0-mL volume of 0.15 M is titrated with 0.25 M KOH. Calculate the pH after the addition of 20.0 mL of KOH.
If I calculate avogadro's number using the mass gain of copper at the cathode rather than by using the mass loss at the anode, what sort of differences can I expect if any
For the following reaction, 4.91 grams of sodium are mixed with excess water. The reaction yields 5.83 grams of sodium hydroxide.
Which of these moieties would be expected to form a charge-charge (or coulombic or ionic or cation-pi) interaction with the receptor. ester linkage aromatic group carbonyl group amine group
Why would you reflux any reaction. Why wouldn't you simply boil the reaction in a erlymeyer flask
Calculate the pH when 16.00 mL of 0.100 M sodium hydroxide is added to 10.00 mL of a 0.100 M phosphoric acid solution.
What are the pH and alkalinity of these three solutions immediately after you make them
Given the initial rate data for the decomposition reaction, A = B + C, determine the rate expression for the reaction [A],M = .0625, 0939, .125; -changeA/changet M/s = 5.44 *10^-7, 8.16 * 10^-7, 1.09*10^-6 (respectively)
Calculate the initial velocity of a reaction in terms of Vmax if the substrate concentration is 1/2 the Km (substitute and go).
A titration was set up with standard potassium permanganate solution(.020 M). A volume of 17 mL potassium permanganate was need to reach the endpoint.
Tell what type of chemical reaction is represented by the following chemical equation.
A salt dissolves in water to form a green solution. A precipitation is formed when the aqueous solution is treated with buffer NH4C/NH3 and thioacetamine.
Small helium-neon lasers emit 1.51 mJ/s of light at 634 nm. How many photons does such a laser emit in one minute?
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