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Why would it not be useful to just use pure ethanol or pure ethylene glycol as an antifreeze since their normal freezing points are -114.1oC and -12oC respectively?
If antique brass is 30.0% zinc and 70.0% copper, how many grams of antique brass can be made from 18.0 grams of zinc and 35.1 grams of copper
Given a buret filled with 0.12 M acetic acid and a second buret filled with 0.15 M sodium acetate, how many milliliters of each solution should be mixed together to produce 21.0 mL of a solution with a pH of 4.70
Show the reaction mechanism when 2-methyl-2-butanol, sulfuric acid(H2SO4), and water are in a mixture
Does pH have an effect on the cell potential (Ecell) for the following oxidation-reduction reaction? 5Fe^2+(aq) + MnO4^-(aq) + 8H^+(aq) ---> 5Fe^3+(aq) + Mn^2+(aq) + 4H20(l)
One series of lines called the pfund series, occurs in the infrared region, and results when an electron relaxes from higher energy levels to terminate in the level for which n=5. calculate the wavelength and frequency of the lowest energy line of..
What mass of sodium nitrite must be added to 350 mL of water to give a solution with a pH
What concentration of Fe^3+ is needed to maintain the phosphate concentration below the limit of 1 mg P/L? Any help on how to do or even start the problem would be great.
What was the calculated PH value obtained for the reaction NH3 + HCl -› NH4Cl using the thermodynamic data NaOH (aq) + HCl (aq)--> H2O(l) +NaCl (aq) NaOH (aq) + NH4Cl(aq)---> NH3 + NaCl + H2O(l) NH4Cl 2M 20ml NH4OH 2M 10ml HCL 2M 20ml NaOH 2M 20ml
A large flask with a volume of 936 mL is evacuated and found to have a mass of 134.66g. It is then filled to a pressure of 0.967atm at 31 degrees C with a gas of unknown molar mass and then reweighed to give a new mass of 153.81g. What is the mola..
Calculate the mass of Li formed by electrolysis of molten LiCl by a current of 6.9×104 A flowing for a period of 23h . Assume the electrolytic cell is 80% efficient.
The first ionization energy of germanium is 762 kj/mol. Upon irradiation with electromagnetic radiation of a particular wavelength, the outermost electron of Ge is ejected with a velocity measured at 2.5 x 10^6 m/s. What is the wavelength of radia..
If one reacts a double bond with bromine in chloroform a dibromide is obtained. However, if one reacts bromine in water with a double bond, a vicinal halohydrin is formed. Provide an explanation for this result and show a mechanism for the reactio..
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