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With reference to the figure below, assume that the average annual deposition of sulfur in the watershed of Big Moose Lake between 1880 and 1920 was 0.8 g S m^-2, and from 1921 to 1950 it was 2.5 g S m^-2. Calculate the cumulative acid equivalents per square meter that were deposited in the watershed over the entire period 1880-1950.
An electron is confined to a one-dimensional box of length L. It falls from the second energy level to the ground state, and releases a photon with a wavelength of 322 nm. What is the length of the box?
a gas has a volume of 25 ml when its pressure .056 atm what will the volume of the gas be at the pressure of 1.00 ?
What is the concentration of a solution formed by diluting 25.0 mL of a 3.2 M NaCl solution to 135.0 mL.
A gas at 89 degrees celcius occupies a volume of 0.67 L. At what kelvin temperature will the volume increase to 1.12 L. ?
Solid calcium oxide reacts with solid ammonium chloride to produce gaseous ammonia, gaseous water, and solid calcium chloride. If 112 grams of calcium oxide were mixed with 224 grams of ammonium chloride
200g of magnesium phosphate and 250.0g of copper bromide react, how much copper phosphate will be produced?
When 0.800 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 13C is observed.Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL.
Calculate the pH during the titration of 30.00 mL of 0.1000 M KOH with 0.1000 M HBr after 30.26 mL of the acid
A 4.07 L sample of H2O(g) reacts at a temperature of 375°C and a pressure of 679 mm Hg. How many grams of NH3 can be produced?
why is it important that none of the solid CaCl2 be included in the final distillation of 1-bromobutane?
What is the final volume in milliliters when 0.780 of a 39.7 (m/v) solution is diluted to 25.0 (m/v)? Express your answer numerically in milliliters.
A flask contains 0.120 mol of liquid bromine, rm Br_2. Determine the number of bromine molecules present in the flask.
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