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Consider a chromium-silver voltaic cell that is constructed such that one half-cell consists of the chromium, , electrode immersed in a solution, and the other half-cell consists of the silver, , electrode immersed in a solution. The two electrodes are connected by a copper wire. The electrode acts as the anode, and the electrode acts as the cathode. To maintain electric neutrality, you add a salt bridge separating the two half-cells. What is the net cell reaction for the chromium-silver voltaic cell?
What is the equilibrium partial pressure of Cl2 at 250 oC? What is the value of Kc at the same temperature?
When 10cm3 of a gaseous hydrocarbon CaHb was exploded with an excess of oxygen, a contraction of 35cm3 occured (all volumes are measured at rtp). On treatment of the product with NaOH solution, a contraction of 40cm3 occured. Deduce the formula of..
what is the maximum mass of sucralose (C12H19Cl3O8) you can add to 3.0 kg of pure water and still have the solution freeze? Assume that sucralose is a molecular solid and does not ionize when it dissolves in water
a reaction having time independent stoichiometry follows the equation a2b 2z . suppose the initially there 0.28 mol of
The molecular weight for chlorophyll a is 893.49 g/mol. If the molar concentration of the solution is .00000387, then what is the concentration of the solution in ppm (parts per million)
What is the energy uncertainty associated with a short pulse of laser light that lasts for only 4.8 femtoseconds (fs)? Suppose the low energy end of the pulse had a wavelength of 727 .
Explain why the benzyl carbocation is more stable than the allyl carbocation?
Take the x-axis as lying perpendicular to the plane of the molecule. Does the N2px orbital participate in the hybridization for either species? Briefly explain your answer.
a) Assuming ideal behavior, what is the solubility of AgCl(s) in 1.00 x 10-4 M NaCl if only Ksp is considered? (b) What is the solubility AgCl(s) if all 4 equilibria are considered for the 1.00 x 10-4 M NaCl
The electron transport chain complexes that have higher electron affinities steal electrons from those with lower electron affinities.
titrating a solution containing 25 mL of 0.0100 M MgCl2 solution, 1 mL of NH3OH buffer, and 10 drops of Calmagite with EDTA. Calculate the concentration of EDTA. Report the answer with three sig figs.
At 25 C the density of water is 0.997 g/cm^3, whereas the density of ice at -10 C is 0.917 g/cm^3. if a plastic soft-drink bottle (volume=250mL) is filled with pure water capped and then frozen at -10 C what volume will the soild occupy
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