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Pure 2-methylpentane is held in a closed container at 150F. Both gas and liquid are present. What is the pressure in the container?
describe a procedure by which you would prepare 250 cubic centimeter of aqueous sulphamic acid of accurately known
Calculate the equivalent weight of the unknown weak acid (g/eq). Calculate the molecular weight of the acid described in Question 1 (g/mol).
what is the change in enthalpy for 2.854 moles of the liquid?
Calculate the activation energy of a certain reaction from the following data: Temperature, degree C Rate Constant 24 7.41x10^-4 48 1.39x10^-1
The half-cell is a chamber in the voltaic cell where one half-cell is the site of an oxidation reaction and the other half-cell is the site of a reduction reaction.
Copper metal is dipped into a 0.01M silver nitrate solution. Calculate the concentration of silver ions in the final equilibrium solution.
An aqueous solution is made by dissolving 0.17 mol MgCl2 in 550. g water. What is the freezing point of this solution
A sample of calcium carbonate [CaCO3 (s)] absorbs 45.5 J of heat, upon which the temperature of the sample increases from 21.1C to 28.5C. If the specific heat of calcium carbonate is 0.82 J/g-K, what is the mass (in grams) of the sample
the excess I3- was titrated with 50.00 ml of a 0.02000 M Na2S2O3 solution. What was the mass percent of arsenic trichloride in the original sample?
in photosynthesis plants use energy from the sun in combination with carbon dioxide and water to form glucose c6h12o6
What is the difference between selectivity and sensitivity as these words pertain to sensors? Why or why not would you want a very sensitive sensor?
What type of glassware would you use to measure the volume of a .002035 M sodium nitrate
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