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Problem- What does it mean when the absorption tails off at lower energy into the visible giving rise to its yellowish color?
I require expert help to solve the above question. Illustrate each and every step
Problem- Consider an isolated N-C bond in an organic compound. Based on the electronegativities of the two elements, which of the following best describes the net charge on the carbon atom
Find the ratio of the rms speed of He to that of Xe at 30 degrees Celsius. Find the average kinetic energy per mole of He and Xe at 30 degrees Celsius. enter your answers in scientific notation.
The heat of formation of KCl(s) is -436.7 kJ/mol and the heat of formation of KCl(aq, 1 m) is -419.5 kJ/mol.
Calculate the heat released when 4.00 L of chlorine (gas) with a density of 1.88 g/L reacts with an excess of sodium metal at 25 degrees celcius and 1 atm to form sodium chloride.
How is the effect of a catalyst observed and described qualitatively in Enzymatic Catalysis experiment
explain the volume increase during transformation from austenite to ferrite. why is the change in volume larger for
A metal, M, was converted to the chloride, MCl2. Then a solution of the chloride was treated with silver nitrate to give silver chloride crystals, which were filtered from the solution.
The iron (55.847 g/mol) in a 700.0 mL sample of a natural water was determined by precipitation of the cation as hydrated Fe2O3. The precipitate was filtered
Calculate the heats of reaction for the following unbalanced reactions. Then use Hess' law to find the heat of reaction for the overall process.
Calculate the pH of a buffer solution that contains 0.25 M benzoic acid (C6H5COOH) and 0.15 M sodium benzoate (C6H5COONa). Ka= 6.5 x 10^-5 for benzoic acid. Please show your work for how you got this.
In a purity check for industrial diamonds, a 10.25 carat diamond is heated to 74.21 oC and immersed in 26.05 g of water in a constant pressure calorimeter.
Suppose that a radiologist who is 4.0 m from a small, unshielded source of radiation receives 3.4 units of radiation. To reduce the exposure to 0.34 units of radiation, to what distance from the source should the radiologist move?
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