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A equilibrium mixture of H2,I2, and HI at 458C contains 0.110 mol of H2, 0.110 mol of I2, and 0.761 mol of HI in a 5.00 L vessel. What is the equilibrium partial pressure of H2 when equilibrium is reestablished following the addition of 0.100 mol of HI?
At pH 6.00 and pE 2.10, what is the concentration of Fe2+ (mol/L) in equilibrium with Fe(OH)3?
Net ionic equation for Sodium Carbonate and Lithium sulfate. Sodium carbonate and sulfuric acid. Strontium chloride and lithium sulfate.
A plot of ln[AV] versus t (s) gives a straight line with a slope of -0.32s^-1. What is the value of the rate constant (k) for this reaction?
when 142 grams of calcium flouride are reacted with an excess of sodium bromide, calculate the mass of calcium bromide formed.
The solubility of N2 in blood can be a serious problem (the "bends") for divers breathing compressed air (78% N2 by volume) at depths greater than 50 ft. Find the volume (in mL) of N2, measured at 25degrees celsius and 1.00 atm, released per liter..
If a 1.67 g piece of gold is hammered into a sheet whose area is 49.2 ft2, what is the average thickness of the sheet?
Otane has a density of 0.692 g/mL at 20°C. How many grams of O2 are required to burn 5.95 gal of C8H18?
Calculate w (in kJ) when 422 g iron (III) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 445 K:
Hydrocarbon chemistry problems, For the compound, 1,2-dibromoethane, the most stable conformation would be
A 28.0-g sample of water at 250. K is mixed with 47.0 g water at 300. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
A large cylinder of He gas,such as that used to inflate balloons,has a volume of 25.0 L at 22 Celsius and 5.6 atm. how many moles of He are in such a cylinder ?
Determine the magnesium content (in ppm) of a 100.00 mL sample of drinking water if the following data were obtained. Titrant is 0.0297 M EDTA, 13.71 mL
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