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Zinc sulfide reacts with nitric acid to give zinc sulfate as well as nitric oxide. Compute the mass of zinc required to react with 110mL of 0.15 M nitric acid
We did an experiment to isolate acetylsalicyclic acid from aspirin using methanol. We crushed the aspirin tablet before the extraction began. Why were we instructed to crush the aspirin tablet before proceeding
at a temperature t a previously empty 5.00l flask is prepared by adding 1.20 mol so2 and 1.5 mol of o2. determine the
If this arsenic is present as arsenate, AsO4^3-, what mass of sodium arsenate would be present in a 1.10L sample of drinking water that just meets the standard
Explain what are the chemical reactions that take place when you try to crystallize salts formed by mixing (+-)-s-butylamine and (+-)-tartaric acid
an unknown compound contains only carbon hydrogen and oxygen cxhyoz. combustion of 6.00g of this compound produced
what mass of melamine will be obtained from 168 kg of urea if the yield of the overall reaction is
Toluene is a liquid compound similar to benzene. Calculate the mole fraction of Toluene in a solution that contains 112 g Toluene and 221 g Benzene.
Indicate the concentration of each of ion present in the solution formed by mixing
Consider following cell. SCE stands for the saturated calomel reference electrode, which has a fixed potential of 0.244 volt. Pt|VOSO4 (0.0586 M), V2(SO4)3 (0.190 M), HClO4 (0.0100 M) || SCE Calculate the cell potential.
a postulated mechanism for the reaction2n2o5 g rarr4no2 g o2 g consists of the following three stepsn2o5 harrno2 no3
In tables of thermodynamic data provided in chemistry books, one finds ?H°f, ?G°f, and S° listed. Briefly, explain why the entropy data are supplied as S°, while the enthalpy and free energy data are in the form of ?H°f and ?G°f, respectively.
Utilizing the integrated form of the Gibbs-Helmholtz equation compute the Gibbs energy of vaporization of elemental mercury at a temperature of 213 C and a pressure of 1.00bar. Note- Presume the enthalpy of vaporization is constant between 25 C an..
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