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What are the concentrations of Cu2+, NH3, and Cu(NO3)4 2+ at equilibrium when 18.8 g of Cu(NO3)2 is added to 1.0 L of a .800 M solution of aqueous ammonia? Assume that the reaction goes to completion and forms Cu(NH3)4 2+.
A voltic cell with an aqueous electrolyte is based on the reaction between Cd2+ (qu) and Mg(s), producing Cd (s) and Mg2+. Write a balanced cell reaction.
What is the animal's initial radiation exposure in curies? b. If all of the energy from the emitted alpha particles is absorbed by the animal's tissues, and if the energy of each emission is 7.77 x 10^-12 J
If a raindrop weighs 53 mg on average and 5.1 105 raindrops fall on a lawn every minute, what mass (in kg) of rain falls on the lawn in 3.0 h.
A chemist needs to determine the concentration of a solution of nitric acid, HNO_3. She puts 865 mL of the acid in a flask along with a few drops of indicator
a compound contains 14.5 g of magnesium and 3.5 g of oxygen. what is the mass percent of oxygen in the
Write balanced chemical equations for the following reactions.
A hypothetical compound XY has an actual molar mass of 62.8562 g/mol, but it was experimentally determined to have a molar mass of 63.0196. Calculate the absolute and relative errors.
the synthesis of ammonia via the haber reaction follows the balanced equation3 h2g n2greg 2 nh3gdh -99.22 kjhow much
A 10.0 mL sample of sulfuric acid from an automobile battery requires 35.08 mL of 2.12 M sodium hydroxide solution for complete neutralization.
A compound A (C6H6) undergoes catalytic hydrogenation over Lindlar catalyst to give a compound B, which in turn undergoes ozonolysis followed by workup with aqueous H2O2 to yield succinic acid and two equivalents of formic acid.
If the concentration of H2 in the equilibrium mixture is 0.426 M, what mass of methanol was initially introduced into the vessel?
25.0 ml of 0.212 M NaOH ia neutralized by 13.6 ml of an HCl solution. The molarity of the NAOH solution is?
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