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A certain stock ammonium sulfate solution is 40.0% ammonium sulfate by mass and has a specific gravity of 1.228. What is the molarity of the solution
what differences in product distribution would be expected for the elimination reactions of 2-bromo-2-methylbutane and 2-bromo-2,3-methylbutane wit hexcess potassium hydroxide in ethanol?
When 50.0 mL of 0.50 M formic acid is titrated with 0.50 M sodium hydroxide, calculate the pH for each of the following: Ka of formic acid = 1.8 x 10^-4 Be sure to account for volume changes at each step.
Which salts are more effective for cold and hot packs, KNO3, NH4NO3, MgSO4, CaCl2, MgCl2? which are most cost effective? Maximum and minimum T for both?
Show that there are 1.0 X 10^22 (10 to the 22nd power) carbon atoms in a 1-carat pure diamond that has a mass of 0.20 g.
What volume of chlorine gas is produced when 0.952 mol of hydrochloric acid reacts completely according
Calculate the total volume of gas (at 120 and 754 ) produced by the complete decomposition of 1.51 of ammonium nitrate.
What is the M concentration in octanol? (b) pH= 8.00 what is the M concentration in water? what is the M concentration in octanol?
Oxygen makes up 46.7 % by mass of the Earth's crust. How many grams of oxygen are present if a sample of the Earth's crust has a mass of 335 g
How many grams of carbon dioxide are produced from the burning of 1,368 g of sucrose (C12H22O11) according to the following equation
Which of the following has the lowest value of absolute entropy per mole? Conditions are as defined in each case.
Vanadium(III) can reduce nitrate ion (NO3-) to nitrite ion (NO2-), producing VOCl3 also Write the BALANCED chemical equation for this reaction.
Also, give an estimate the pl of this tetrapeptide (you may assume the pKa of any acidic R group is 4, the pKa of any basic R group is 11.5, and the pKa of the alpha-COOH is 2, and the alpha-NH3 is 9.5).
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