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In a fully charged lead storage battery, the electrolyte consists of 38% sulfuric acid by mass. The solution has a density of 1.286 g/cm3. Calculate E for the cell. Assume all the H+ ions come from the first dissociation of H2SO4, which is complete.
It takes 55.0 J to raise the temperature of an 11.7 g piece of unknown metal from 13.0 C to 25.0C. What is the specific heat for the metal?
A 515- sample of unknown solution reacts completely with to form 20.1 . What was the concentration of the solution?
Each uranium atom that decays eventually results in the formation of one lead atom. Assuming that the rock did not contain any lead-206 atoms originally, find the age of the rock when the ratio of uranium to lead atoms is 8 to 1.
Determine the acid content of the vinegar as wt % CH3COOH, acetic acid
How many grams of F2 are needed to produce 157 g of PF3 if the reaction has a 79.8% yield?
how many millimeters of 5M NaOH are needed to neutralize 40mL of 2M H2SO4
given the following substances, xenon, ammonia, iodine monochloride, and fluorine, and the following statements,
The blue color of dextran blue solution is due to the well-known, blue complex formed between starches and iodine. If you only had the absorption spectrum of this solution
Draw the following protein molecule, Need to draw the following molecule (using the lewis condensed line structure).
One liter of a buffer solution is prepared by dissolving 0.115 mol of NaNO2 and 0.070 mol of HCl in water. What is the pH of this solution? If the solution is diluted two fold with water, what is the pH?
What is the minimum amount of hydrogen gas in grams required to completely hydrogenate 12.5 Kg of 2-butene?
Calculate ΔG for this reaction under the following conditions (assume an uncertainty of 1 in all quantities, calculate all thermodynamic values from Appendix 4 for all parts of the problem).
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