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At a particular temperature assume that the equilibrium constantfor the reaction:H2(g) + F2(g) <==>2HF(g)is K = 100.0. A reaction mixture in a 10.00 liter flask contains5.0 moles each of hydrogen and fluorine gases plus 1.6 moles of HF.What will be the concentration of hydrogen when this mixture reaches equilibrium?
It required 71.5 mL of a 0.155 M KNO3 solution to fully react the copper in the ore sample. What was the percent copper in the ore.
construct an energy level diagram (molecular orbital) for the molecule SO. We are then asked to comment on the ionic species of SO - bond order, bond distance etc. So far so good.
students are advised to dispose of the 95% ethanol mother liquor from the recrystallization step n the nitration of bromobenzene in a waste bottle for halogented wastes while the same solvent used for the recrystallization
what are the products of the following acid base reaction and are the reactants or products favored? CH3-NH-CH3 + H3O+
If 0.80 g of gas occupies 295mL at 25 degrees Celsius and 680 mm Hg of pressure, what is the molar mass of the gas?
a solution of ammonia and water contains 3.30times1025water molecules and 6.90times1024 ammonia molecules.how many
How many grams of water are needed to react with 78.0g CaCN2? How many grams of NH3 are produced from 5.19g CaCN2?
The heat of combustion of bituminous coal is 2.5 × 104 J/g. What quantity of the coal is required to produce the energy to convert 100. lb of ice at 0°C to steam at 100°C
A semipermeable membrane is placed between the following solutions. Which solution will decrease in volume? Solution A: 1.31% (m/v) starch Solution B: 7.48% (m/v) starch
You start with 50 mL of 1.0 M acetic acid. How many mL of the acid should you place in a 100?mL volumetric flask in order to prepare
gallium has an average atomic mass of 69.7 amu. in a typical sample 60.4 of ga exists as ga-69 68.9257 amu. what is the
The standard width between rails on North American and most European railroads is 4 ft 8 in. Calculate this distance in meters and centimeters.
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