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Write electron configurations for the following ions, and determine which have noble-gas configurations. Explain your answer. (a) Cr^3+ (b) N ^3- (c) Sc^3+ (d)Cu^2+ (e)TI^+ (f)Au^+
the water solubility of L-alanine is 127g/L at 25 degrees celsius, what is the water solubility of D-alanine at 25 degrees celsius?
A weak monoprotic acid is titrated with NaOH, and the following data are recorded. Calculate the molar mass of the weak acid. original volume of acid solution = 50.00 mL mass of acid (a solid) = 0.3459 g
describe the crystal lattic structures you examined,indicating the number of positine ions surrounding each negative ion,and vice versa
A polyatomic ion containing an unknown element, E, has the chemical formula EO3 with -1 charge, and has 26 total electrons. Provide 3 possible identities of element E
Show the full mechanism of bromination for both 2,4-nitrophenol
Estimate how many barrels of fluid this tank could hold. Clearly state any assumption you must make to determine this and explain how you arrived at your assumption
Organic Reactions - Cyclopentadiene, Why is cyclopentadiene monomer more stable at higher temperatures although dicyclopentadiene (dimer) is more stable at lower temperatures?
Calculate the amount of heat required to completely sublime 78g of solid dry ice at its sublimation temperature. The heat of sublimation for carbon dioxide is 32.3kJ/mol .
First Ionization Energies across a period, e.g., period 2. explain in detail why there are anomalies for Boron and Oxygen. Explain the subshell hybridization of elements such as copper or chromium
A 2.29 g sample of ascorbic acid is titrated with a 0.64 M red dye. What volume of red dye is required to reach the endpoint?
Mechanism for propene treated with HOCl, When propene is treated with hypochlorous acid (HOCl), the product isolated is 1-chloro-2-propanol
An empty volumetric flask, weighing 60.42 grams, weighed 309.60 grams when filled with water. After emptying the water and drying the flask
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