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Which orbital hydridization is associated with a tetrahedral charge cloud arrangement (a) sp (b) sp2 (c)sp3 (d) noe of these
a nugget of gold with a mass of 521g is added to 50.0ml of water. the water level rises to a volume of 77.0ml. what is
Density and Identity, The mass of 5.00 mL carbon tetrachloride is 7.97g. What is the density of the carbon tetrachloride?
Anhydrite (CaSO4). Calculate the equivalent values for the bonds in anhydrite and comment on the differences between the two minerals.
What mass of oxygen can be prepared by the decomposition of 25.4g of potassium chlorate by the reaction?
the excess I3- was titrated with 50.00 ml of a 0.02000 M Na2S2O3 solution. What was the mass percent of arsenic trichloride in the original sample?
A saturated solution of copper(II) sulfide, CuS, has [Cu^2+]=1.1x10^-18 M. what is the value of Ksp for CuS
Determine the wavelength, in nanometers, of radiation with of 218 kj/mol energy. please show how you came up with answer
A sample of ethanol (C2H5OH) has a mass of 43.8 g.(a) How many carbon atoms does the sample contain?
the atomic weight of a newly discovered element is 98.225 amu. it has two naturally occuring isotopes. one isotope has
What are the possible values of the angular momentum quantum number l A.)represented by the formula: l = 2k + 1, where k is a positive integer B
What is the volume percent of a solution prepared by dissolving 9 g of NaOH in enough water to make a final volume of 120 mL. How many mL of a 10% solution can be made from the solution in part a
What was the initial concentration of COCl2?
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