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Analyze the sublimation of the crude naphthalene when the crude naphthalene was placed in a 25mL filter flask. The neoprene adapter was used to suspend a centrifuge tube filled with the ice over the solid in the flask, and the naphthalene will be warm by using a low setting on the hot place? (Relate to melting point)
Crystalline solids are well-ordered arrays of atoms or molecules. Crystalline solids may be metallic solids, molecular solids, or ionic solids.
What is the photoelectric effect, and what property of electromagnetic radiation does it help explain
A 10.0 mL fraction of that solution is added to a 250 mL volumetric flask and diluted to the mark with 8-hydroxyquinoline solution to form a magnesium complex which precipitates
what is the similarity between metal olefin and metal hydrogen
How many millimeters of 0.0700 M EDTA are required to react with 50.0 mL of 0.0140 M Cu2+?, b) With 50.0 mL of 0.0140 M Sc3+?
Balance these equations utilizing the oxidation-number change method as well as identify the Oxidizing and Reucing agents MnO4 (aq) + ClO2 (aq) + H2O (l) ---> MnO2 (s) + ClO4 (aq) + OH (aq)
Consider the free radical brination of butane. Two monodbrominated producst are possible. Draw appropriate structure of each.
A certain substance has a heat of vaporization of 74.45 kJ/mol. At what Kelvin temperature will the vapor pressure be 6.50 times higher than it was at 287 K
calculate deltag for this reaction under the following conditions assume an uncertainty of 1 in all quantities
A catalyst decreases the activation energy of a given reaction by exactly 15 kJ/mol. By what factor does the reaction rate increase at 25oC when the catalyst is used. Assume that the Arrhenius pre-exponential factor, A, is the same for the catalyz..
an element has 3 stable isotopes with natural abundances of 11 17 and 72. the masses of those isotopes are 19.9 21.9
A certain liquid has a normal boiling point of 80.1oC, and boils at 62.8oC when the pressure is reduced to 445 torr. What is the heat of vaporization of the liquid
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