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a) Based on the amounts of copper metal(1.017g) and nitric acid(5.2mL) you used in the reaction, calculate the number of moles of HNO3 there are in excess. Concentrated nitric acid has a concentration of 15.8 M.
b) Using the moles of HNO3 you calculated and the moles of Cu(NO3)2 produced from the first reaction, calculate the total mass of sodium carbonate needed for the second and the third reactions. Did youu add enough sodium carbonate in the experiment?
A light of 655 nm is shone onto a metal surface and transfers some of its momentum to the metal. Will the reflecting light have a wavelength greater or less than 655
A 120.0mL buffer solution is 0.105M in NH3 and 0.135M in NH4Br. What amount of HCl could this buffer neutralize before it fell below 9.0 pH
What mass of Al in grams is deposited at an electrode is a current of 1.22 amperes is passed for 12.0 hours through a solution of Al(NO3)3
Write a net Ionic equation for the reaction that takes place when aq barium chloride soln reacts with an aq soln of potassium phosphate.
For a second-order reaction, what quantity, when graphed versus time, will yield a straight line. The natural log of the concentration.
In the lower troposphere, ozone is one of the components of photochemical smog. It is generated in air when nitrogen dioxide, formed by the oxidation of nitrogen monoxide from car exhaust, reacts by the following mechanism.
Commercial concentrated aqueous hydrogen peroxide is 30.% H2O2 by mass and has a density of 1.11 g/mL. What is the molarity of this solution
a 50.0 ml solution of 1.2 m hcl at 24.1 deg celsius is mixed with 50.0 ml of 1.3 m naoh also at 24.1 degrees celsius in
Predict whether reactions should occur between aqueous solutions of the following compounds. If so, write balanced molecular and net ionic equations for the reactions. Include physical states.
What is the major product when 3,3-dimethyl-2-butanol reacts with HBr in the presence of heat
The density of pure silver is 10.5 g/cm^3 at 20°C. If 4.63 g of pure silver pellets is added to a graduated cylinder containing 12.1 mL of water, to what volume level will the water in the cylinder rise.
A student mixes 5.0 mL 2.00 x 10-3 M Fe(NO3)3 with 4.0 mL 2.00 x l0-3 M KSCN, and 1.0mL deionized water. She finds that in the equilibrium mixture the concentration of FeSCN2+ is 1.2 x l0-4 M.
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