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A steel railroad bridge uses a zinc sacrificial anode to limit the extent of oxidation of the steel. If a 5.1 kg anode is completely ozidized to Zn2+ over the course of 15.5 years, compute the average current flowing through the anode.
Determine the partial pressure of oxygen O2 If the total pres- sure =80 torr, the partial pressure of CO=330 torr and the CO2 has a partial pressure = 330 torr?
Based on the fact that the alloy has an HCP crystal structure, what general processing technique would you consider for the processing of the turbine blade? Explain your choice.
A 391-rm mL sample of unknown rm HCl solution reacts completely with rm Na_2CO_3 to form 20.1 g rm CO_2. What was the concentration of the rm HCl solution?
Compute the enthalpy change for the dissolution of ammonium nitrate express your answers in units of kJ/mol.
Consider a particle with quantum number n moving in a one-dimensional box of length l. Determine the probability of finding the particle in the left quarter of the box.
Recommend an explanation why the cyclic intermediate might have two important groups in a trans relationship that could factor the E-alkene.
Draw an arrow pushing mechanism for the formation of the acylium ion when acetic anhydride reacts with phosphoric acid.
what is the ppm of hardness for the 0.00100 M CaCl2 solution?
Provide structures consistent with the following molecular formulae and spectral data, and assign spectral peaks. Write your structures and tables on a sheet of paper.
2.0 moles of a nonelectrolyte solute are added to 1.0 kg of an unknown solvent. The freezing point is depressed by 7.9 K. Calculate the molal freezing point constant (Kf?) for this solvent.
Calculate the mass of silver chloride required to plate 215 mg of pure silver if silver chloride contains 75.27% Ag.
Name and provide the structure of the major organic product which results when (R)-3,3-dimethyl-2-butanol is heated in the presence of HBr.
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