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Question- The boiling point of a substance is defines as the temperature at which liquid and vapor coexist in equilibrium.
Use the heat of vaporization (delta H vap=30.91 kJ/mol) and the entropy of vaporization [delta S vap= 93.2 J/(K*mol)] to calculate the boiling point (degrees C) of liquid bromine.
Provide your answer in scientific notation
When one mole of solid NaOH is dissolved in 1L of solution, 44.5kj of heat are released. How much heat is released when 1.00g of NaOH is dissovled in 100.0mL of water?
How many grams of cobalt(II) chloride are required to react completely with 60.0 mL of 0.200 M KOH solution?
what mass of Cu is electroplated by running 20.0A of current through
You need to produce a buffer solution that has a pH of 5.02. You already have a solution that contains 10 mmol (millimoles) of acetic acid. How many millimoles of acetate (the conjugate base of acetic acid) will you need to add to this solution? ..
Which is most acidic butanoic acid (marvin structure), bromobutanoic acid (marvin structure), hydroxybutanoic acid (marvin structure) and chlorobutanoic acid(marvin structure)
Select the most appropriate explanation of the following observation on solubility: "Hydrogen chloride, HCl, is very soluble in water." Water is a polar solvent, and it promotes the ionization of many polar molecules.
if a 1.00 g piece of gold (density = 19.32 g/cm^3) is hammered into a sheet 8.0 x 5.0 ft what is the average thickness of the sheet in meters?
Consider the titration of 30.0 of 0.035 with 0.030 . Calculate the after the following volumes of titrant have been added.
Specified a saturated solution of calcium carbonate, Define how many moles of calcium ion will remain in solution after the addition of 3.16 * 10^-4 M of Na2CO3 at 25 degrees Celsius? Presume the pH does not change
a volume of water was delivered using a buret and experimentally determined to have a mass of 2.00-g. what was the
Determine the absolute error and relative error in ppm CaCO3 associated with a single standardization and titration of an unknown CaCO3 solution
What is the pH of a solution prepared by mixing 25mL of .10M CH3CO2H with 25 mL of .010M CH3CO2Na? Assume that the volume of the solutions are additive and that Ka= 1.8 x 10-5 for CH3CO2H.
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