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Explain what is the orbital angular momentum of an electron in the orbitals (a) 3s (b) 3p (c) 3d? Offer the numbers of angular and radial nodes in each case.
Calculate the hypothetical retention times for caffine and aspartame if their retention factors were reduced by 28.0 %. Assume the mobile phase retention time (tm= 29.7 s) remains constant.
25.0 mL of 1.00 M HCl at 24.3oC react with 25.0 mL 1.00 M NaOH in a styrofoam calorimeter whose calorimeter constant is 70 J/C. The final temperature is 31.8o C. Assume the density of the solution product is 1.00 g/mL and the specific heat of the ..
Calculate the ph of the solution made by adding 0.50mol of HOBr and 0.30 mol of KOBr to 1.00 L of water. The value of Ka for HOBr is 2.0 x 10^-9.
Give the products (if any) expected from the treatment of 2-methyl-2-pentene with ozone followed by aqueous hydrogen peroxide. Do not draw any byproducts.
The boiling point of a solution containing 10.44 g of an unknown nonelectrolyte in 50.00 g of acetic acid is 159.2°C. What is the molar mass of the solute?
a 45- piece of ice at 0 is added to a sample of water at 20. all of the ice melts and the temperature of the water
How many minutes would a 12.5 ampere current have to be applied to plate out 12.5 grams of copper metal from aqueous copper(II) sulfate solution
After equilibrium is established, the flask is found to contain 1.13 x 10-3 mol of Cl2. Calculate the value of the equilibrium constant, Kc, for the reaction at this temperature.
bromine can be obtained from the decomposition of calcium bromide by means of electrolysis. if 10.0 g of calcium
4.5 L of Mg(OH)2 solution was titrated with 5.03 mL of 0.200 M HCl. Calculate the the molarity of Mg(OH)2 solution and the ksp.
Identify the cathode and anode and determine the standard cell potential for a voltaic cell composed of Co^2+/CO(2) and FE^3+/Fe(s).
Ignoring any side reactions and assuming the reaction occurs completely, how large (in kg) an oxygen candle (KClO3) would be needed to supply 8 people with enough oxygen for 24 hours on a small submarine?
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