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Problem- A solution of I- gives 301.0 mV in a cell with an iodide ion selective electrode. 10.0 mL of the solution is mixed with 3.00 mL of 1.00 x10^-6 M AgNO3, and the Ag is completely precipitated as AgI. The cell then gives 310.2 mV. Assume the electrode has an ideal Nernstian slope for I- at 25 C. what was the original concentraion of I-
Using textbook reference solve the reactions given in above problem
For each of the subsequent molecules, offer a Lewis structure, comprising resonance and formal charge. Forecast the electron-domain geometry, the molecular geometry, and the hybridization of the central atom.
calculate the value of delta s when 1.90 mol of rmch3 rmohl is vaporized at 64.7 circ rm
why is the voltage reading different for deionized water vs. tap water. what substances are added to drinking water to make it safe.
2NOCl(g) = 2NO + Cl2 When 3.00 mol of NOCL is heated to a given temp. in a 2.00 L container, 1.70 fol NOCL remain at equilibrium. a.) Calculate the equilibrium concentration of each substance in the reaction
Make a drawing that illustrates how the diethylammonium ion might interact with tetrachlorocuprate(II), what are the hazards with this combination
The gas in a piston (defined as the system) is warmed and absorbs 670 J of heat. The expansion performs 347 J of work on the surroundings. What is the Change in internal energy for the system?
Question- Explain why the addition of the HCL or NaOH improves the ability of azo dyes to dye fabrics.
Calculate the concentrations of all species in a 0.100 M H3PO4 solution given the following Ka's: 7.5 X 10^-3 for H3PO4, 6.2 X 10^-8 for H2PO4-, and 4.8 X 10^-13 HPO4^2- Draw each of the structures.
calculate the equilibrium concentrations of H2 and Br2 and HBr? Calculate Kc
Problem- Draw a Newman projection of the expected dibromide product formed from the anti-addition of bromine cis-cinnamic acid, and from it draw the corresponding Fischer projection. What is the relative configuration, erythro or threo
Compute the concentration of IO3- in a 5.92 mM Pb(NO3)2 solution saturated with Pb(IO3)2. The Ksp of Pb(IO3)2 is 2.5 × 10-13. Presume that Pb(IO3)2 is a negligible source of Pb2 compared to Pb(NO3)2.
Derive the equation relating x and R (use a graphical method), and then calculate the molar flow rate of air required for a fuel feed rate of 175kmol/h, assuming that CO and H2 are oxidized but N2 is not.
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