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Write balanced molecular, total ionic and net ionic equations for the reaction of aqueous copper (II) sulfate and aqueous sodium sulfide. Be sure to include proper phase labels.
Molecular equation :
Total Ionic equation :
Spectator ions :
Net Ionic equation: Cu2+(aq) + S2-(aq) --> CuS(s)
The overall equilibrium involves Ksp, Ka3 of phosphoric acid and Kw. Construct the constant and show the three equations that apply.
Determine the molar concentration of Na+ in a solution in which 6.315+/-0.004g of Na3PO4 has been added to 1000.0+/-0.4mL
Describe the various strategies for the excretion of nitrogenous wastes employed in higher animals (chordates), both human and non-human
A catalyst decreases the activation energy of a given reaction by exactly 15 kJ/mol. By what factor does the reaction rate increase at 25oC when the catalyst is used. Assume that the Arrhenius pre-exponential factor, A, is the same for the catalyz..
What is the silver ion concentration in a solution prepared by mixing 457 mL of 0.373 M silver nitrate with 475 mL of 0.442 M sodium phosphate?
Draw a Lewis structure of BF that satisfies the octet rule for both atoms
a solution to replace potassium loss contains 40. meql of k and cl-. how many moles of k and cl- are in 1.5 l of the
In a teaspoon (5.0ml ) of a common liquid antacid, there are 150mg Ca(OH)2 and 150mg Al(OH)3 . A 8.3×10-2 M HCL , which is similar to stomach acid, is used to neutralize 5.0 ml of the liquid antacid.
Generate the equilibrium constant expressions for the following reaction. Calculate the numerical value for
A mixture of gases contains 1.35 g of N2, 2.64 g of H2, and 2.38 g of NH3. If the total pressure of the mixture is 1.64 atm, what is the partial pressure of each component. PN2 atm PH2 atm PNH3 atm
How much benzoic acid should be formed and will it be pure (in theory)? Is 50mL of water an appropriate volume for this procedure. If not, what is the minimum volume of water required? Use calculations to aid in your explanation.
Pick the words that correctly finishes the following sentence. A reaction will always be spontaneous if it is and there is an increase in disorder
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