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Compute the boiling point of this solution:1.00 X 10^2g C10H8O6S2(1,5-naphthalenedisulfonic acid) in 1.00 X 10^2g H2O (nonionizing solute), if the freezing point of H2O is lowered 1.86oC per mole of solute.The boiling point of H2O is raised 0.512o C per mole of solute.
Determine how many grams of Ammonia are needed to produce 130 grams of hydrogen flouride?
A rigid tank contains 1.50 moles of an ideal gas. Determine the number of moles of gas that nust be withdrawn from the tank to lower the pressure of gas from 25atm to 35 atm.
Determine ΔG for this reaction When A is full into a cylinder at a pressure of 9.89 atm and the system is permitted to come to equilibrium, the final pressure was 15.94 atm.? Express your answer in units of kJ/mol
A sample of an unknown metal has a mass of 35.4 grams and a volume of 3.11 centimeter cube. calculate the density.
What is the pH of a buffer solution containing 0.155 mol dm-3 of benzoic acid and 0.315 mol dm-3 sodium benzoate.
calculate that how many liters of carbon monoxide gas, measured under the same conditions, is essential?
The insecticide DDT has a half-life in the human body of about 7 years. That is, in 7 years its concentration.( Although DDT is no longer in use in the United States).
There are two naturally occurring isotopes of bromine. 79Br has a mass of 78.9183 amu. 81Br has a mass of 80.9163 amu.
Determine the enthalpy for the given reaction as CS2
It is given that the v.p. of water =233.7 mm Hg.at 70 degree Celsius then calculate the vapor pressure? express your answer in mm Hg ?
You are the chief environmental officer of an industrial operation of your choosing. Describe your operation, its different components or stages, the materials used and the type of wastes generated.
Illustrate the structures of the 6 bromoalkenes (with the molecular formula C5H9Br ) that have a branched C chain, and that show neither chirality nor E,Z isomerism.
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