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Rubidium metal has a body centered cubic structure (with one atom at each lattice point). The density of the metal is 1.532 g/cm^3. From this information and the atomic mass, calculate the edge length of the unit cell. Now assume that rubidium atoms are spheres. Each corner sphere of the unit cell touches the body centered sphere. Calculate the radius of a rubidium atom.
Outline a complet mechanistic sequence for the reaction of 2-bromoheptane with potassium 2-methyl-2-propoxide in 2-methyly-2-propanol solvent to form the three alkenes generated in the reaction
Predict whether zinc and silver react with 1 M sulphuric acid to give out hydrogen or not. Given that the standard potentials of zinc
Pesticide concentrations in the Rhine River between Germany and Grancn between 1969 and 1975 averaged 0.55 mg/L of C6Cl6, 0.06 mg/L of C12H8Cl60 and 1.02 mg/L of C6H6Cl6.
Given that the most common mineral in limestone is calcium carbonate, describe how these limestone objects are corroded by the sulfuric acid in polluted air. What chemical reaction is involved here?
What functional groups can you identify within the coumpounds; dioxin, Furan, Hexachlorobenzene, what structural features
Write a net ionic equation for the reaction between aqueous solutions of ammonia and hydrofluoric acid.
describe how will you prepare a supersaturated solution of potassium nitrate in water.
The concentration of an enzyme within a cell is extremely low relative to other material present, yet functions effectively in its metabolic role.
If 15 grams of copper (II) chloride react with 20 grams of soduim nitrate, how much sodium chloride can be formed?
If climate change continues, snow fields and glaciers in Canada's north will shrink, which has two main consequences. It exposes the arctic soil and it thaws decaying organic matter that had been beneath the ice and snow.
A NaOH soln of unknown concentration was standardized against KHP. It took 45.78 mL of NaOH soln to completely titrate 1.256 g of KHP. Cal the molarity of NaOH.
A reaction that is used to propel rockets is N2O4(l) + 2N2H4(l) --> 3N2(g) + 4H2O(g). This reaction has the advantage that neither product is toxic, so no dangerous pollution is released
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