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A concentration cell is set up at 298K with 100mM CuSO4 in one chamber and 345mM CuSO4 in the other, as well as Cu electrodes in each. Explain what is the voltage of this cell?
Define geometric isomerism; give one example, and the structural formula for each of its isomers.
Calculate the number of moles of bromobenzene this represents; then calculate the amounts of all other reagents needed in this experiment relative to this amount of bromobenzene.
A cumbustion analysis was carried out on 1.621g of newly synthesize compound which was known to contain only carbon,hydrogen and oxygen.
Ferrocene cannot be nitrated using the conventional HNO3-H2SO4 mixed acid conditions, even though nitration is an electrrophilic aromatic substitution reaction. Explain.
A certain reaction requires 80 minutes to reach completion in refluxing diethyl ether (bp 35 deg C). Estimate the reflux time required if the reaction is run in tetrahydrofuran (bp 65 deg C).
How many grams of sodium formate, NaCHO2, would have to be dissolved in 1.4 L of 0.13 M formic acid (pKa 3.74) to make the solution a buffer for pH 3.76
The substance Y solution now has a concentration of 25 mg/L. Explain what is the mass of substance Y that is adsorbed to the GAC. Explain what is mass to mass ratio of the adsorbed substance Y to GAC in mg/kg at this equilibrium concentration
Define how to determine the states of matter for the reactants as well as products in synthesis, decomposition, single displacement, double displacement and combustion reactions.
THe energy of a photon is 4.54 10-19 J. What is the wavelength of the corresponding light
Write a balanced equation including states of matter for the reaction of Zn(H2O)4 in aqueous NaCN.
What solution will have the lowest boiling point?? 0.075 M CaCl2 0.020 M Na3PO4 0.050 M KNO3 0.025 M NH4NO3 0.10 M C6H12C6
a 5.0 l bulb filled with 175 torr of he and a 7.5 ml bulb filled with 325 torr of kr are connected together allowing
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