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Sketch the voltaic cell containing Zn/Zn2+ and Fe2+/Fe3+ half cells. Calculate the Ecell. Be sure to label everything. Hint there has to be a solid state support.
Which proton(s) in 1-phenylethanol corresponds to the tall singlet at about 7.40 ppm in the 1H NMR?
What is the correct electron configuration for copper Answer a. [Ar]4s23d8 b. [Ar]4s23d9 c. [Ar]4s13d10 d. [Ar]3d10 e. [Ca]3d9
A stock solution is prepared by adding 35 mL of 1.5 M NaNO2 to enough water to make 49 mL. How many moles of NO2- are in 30 mL of the stock solution
Write the equation for this reaction, labeling the acid, base, conjugate acid, and conjugate base
What volume of a 0.50 M KOH solution is needed to neutralize completely 10.00 mL of a 0.30 M H2SO4 solution? The neutralization reaction is 2KOH + H2SO4 → K2SO4 + 2H2O.
P2.36) A pellet of Zn of mass 31.2 g is dropped into a flask containing dilute H2SO4 at a pressure P = 1.00 bar and temperature T = 300. K. What is the reaction that occurs? Calculate w for the process. Ans. w = -1190 J
a solution contains 4.64g kcl in 178 ml of solution. the density of the kcl solution is 1.14 gml. what is the molarity
Naturally occurring Mg exists as isotopes 24-Mg, 25-Mg, and 26-Mg. Given the information in the following table, determine the mass of 24-Mg, the most abundant natural isotope.
The following ions contain the same number of electrons. Rank them in order of decreasing ionic radii. Rank from largest to smallest radius. Cs^+, I^-, Te^2-, La^3+, Ba^2+, and Sb^3-
Problem- Iron reacts with Hydrochloric acid to produce iron (II) chloride and hydrogen gas. How many moles of HCl will react with 2.0 moles of Fe
Epoxides are reduced by treatment with lithium aluminum hydride to yield alcohols. Draw the structure of the first intermediate of the reaction between 3,4-epoxyhexane and LiAlH4.
combustion of 1.031g of a compound containing only carbon, hydrogen and oxygen produced 2.265g if carbondioxide and 1.236g of water. What is the empirical formula for the compound?if the molecuar weight is 180.3g, what is the molecular formula?
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