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Crude oil is a complex solution of liquids, and some gases and solids. The components are commonly separated from each other by utilizing a technique called fractional distillation. A physical property of the components upon which this technique is not dependent is ____.
condensation point
density
volatility
boiling point
vapor pressure
Determine how much heat is evolved or absorbed when 40.0 of lithium iodide completely dissolves in water.
Given that the Ka of boric acid is 5.8x10^-10M, what is the pH of a 0.50M boric acid solution? Are there any good approximation available?
What is the bubble point temperature at 2 atm. What is the dew point at 2 atm. What is the temperature if 50mole % is vapor?
The density of methyl salicylate is 1.18 g/mL at 20 degrees Celsius. Determine the limiting reactant and explain why it is the limiting reactant.
Calculate the partial pressures of CO2 and CO at equilibrium if 5.0 g of CO2 are introduced into a 10.0 L container and heated to 1200 K in the presence of 1.50 g of graphite (C (s)).
What is the density of a substance if a 2.50mL sample has a mass of 0.880g at room temperature? ( show calculations) What is the specific gravity of the substance?
What must the minimum temperature of its energy source be if it is to produce work with an efficiency of 0.75?
to reach equilibrium (at pH 7.00) through titration by adding 14.25 mL of 0.2030 M NaOH to 20 mL of this solution. What is the Molarity of the acid?
Benzene has a boiling point of 80.1 degrees celcius and a molal boiling point elevation constant of 2.53 degrees celcius/m. Calculate the boiling point of a solution containing 15.0 g of the non-electrolyte C6H4Br2 in 125 ml of benzene (sp gravity..
Calculate the overall (triangle)H degrees for the reaction shown given the bond dissassociation enrgies
How many milliliters of 4.21 M NaOH are needed to completely neutralize 76.9 mL of 0.340 M H3PO4?
Explain why the colour of the light emitted by an element in the gaseous state is characteristic of the element & explain with a sketch diagram how a hydrogen atom, which has only one electron, has so many spectral lines.
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