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Write a short paragraph that describes how electrons fit into these higher levels and that explains why a space must be left in the lower periods on the periodic table.
Using the list of Active Ingredients provided, was there enough HCl added to completely neutralize Naproxen Sodium. (Show all calculations). List of ingredients: 5mL ethyl acetate, 1mL HCl, 1mL brine (saturated NaCl sln), tip of scoopula of Na2S..
What is the silver ion concentration in a solution prepared by mixing 461 mL of 0.366 M silver nitrate with 425 mL of 0.545 M sodium chromate
Consider two aqueous solutions, A and B (which contain different solutes). Is it possible for solution A to have a greater concentration than solution B in terms of mass percent, but a smaller concentration in terms of molarity
for a hydrohalogenatoin reaction if you use br is it calles hydrobromination? or if you use cl is it hydrochlorination?
Measurement of a 4.05x10-4 M ASA standard solution at 275 nm was 0.579. Calculate the concentration of ASA in the solution
What kinetic energy must the electrons have in order to resolve a protein molecule that is 5.10 nm in diameter? Take the mass of an electron to be 9.11× 10-31 kg.
If iron is oxidized to Fe2+ by a copper(II) sulfate solution, and 0.538 grams of iron and 13.0 mL of 0.40M copper(II) sulfate react to form as much product as possible.
Calculate the final temperature of the helium inside the cylinder. Assume helium to be an ideal gas with Cp=(5/2)R.
A molecule can be polar or nonpolar depending upon the nature of the bonds and the shape of the molecule. For a molecule that has different outer atoms the molecular symmetry will decide the polarity.
Write structural formulas for all of the possible isomers of -pentyne that can be formed by moving the position of the triple bond
If 67.0 mL of 0.119 mol/L NaOH(aq) and 35.0 mL of 0.193 mol/L HA(aq) are mixed, then what is [HA] at equilibrium. Assume that HA is a weak monoprotic acid with pKa=6.23 at 25oC.
Suppose we redefine the standard state as P=2 atm find the new standard state ^Gf values of the following substances
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