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A S atom has an electron configuration of 2.8.6. What is the electron configuration of an S2- ion?
Why are the atomic masses of elements usually decimal numbers? Provide an answer using 3 - 4 sentences in your own words. In 3 - 4 sentences and in your own words describe how Mendeleev's periodic table differs from Moseley's.
Provide a structure for the following compound: EI mass spectrum: two molecular ions of about equal intensity at m/z = 180 and 182; IR: 1740 cm-1; 1H NMR: ? 1.30 (3H, t J = 7 Hz); ? 1.80 (3H, d, J = 7 Hz); ? 4.23 (2H, q, J = 7 Hz); ? 4.37 (1H, q, ..
How might you use 13C NMR spectroscopy to determine if the brominated product is contaminated with some unreacted starting material (during the bromination of trans-cinnamic acid)
If a solution of KBr (MM=119.01 g/mol) has a concentration of 2.5 M and a solution density of 1.05 g/ml what is the mass % of the KBr solution
Draw the organic compounds, identify the intermolecular attractive forces for each, and list them in order of increasing boiling point as predicted by the relative strength of those intermolecular forces
Which of the following rate law best illustrates the kinetics of the reaction between hydrochloric acid and sodium thiosulfate
determine the partial pressures of each gases at equilibrium. b.determine the equilibrium constant at 350.15 K
A student added 5.85g of KMnO4 to a beaker containing 150ml of 0.200 M KMnO4 solution. Calculate the molar concentration of the final solution. Assume volume remains constant.
at 25 degree celsius an aqueous solution containing 35.0wt h2so4nbsphas a specific gravity of 1.2563. a quantity of the
Consider the gas reaction of the formation of nitrogen dioxide from nitric oxide and oxygen. If 9.0 L of NO are reacted with excess oxygen gas at STP, what is the volume in microliters (use proper scientific notation) of the nitrogen dioxide produ..
Coronene is a hydrocarbon that fluoresces.
Make a rough sketch showing how the following properties of a baseball depend on time, from the moment it is hit high into left field to the time it is caught by the outfielder. You may neglect the effects of friction!
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