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Problem- A certain liquid has a vapor pressure of 92 torr at 23 C and 209 torr at 45 C calculate the value of delta H vap for this liquid and calculate the normal boiling point
Please provide the answer of the given question on urgent basis
A 19.91 g sample of Mo2O3(s) is converted completely to another molybdenum oxide by adding oxygen.
Your starting mixture contains both KCl and KClO3. Suppose that your starting mixture weighed 2.040 grams total, and suppose that you dertermined during your reaction that you produced 0.0072 mols of O2
If a reaction mixture contains only N2O and NO2 at partial pressures of 1.0 atm each, the reaction will be spontaneous until some NO forms in the mixture.
0.400 L of an aq ethanol solution was diluted to a total volume of 4.00 L by adding water, giving a final concentration of 0.0400 M. What is the concentration of the original solution?
A researcher determines that 744 J of energy needed to vaporize a 355-mg sample of a liquid at its boiling point. Determine the heat of vaporization and heat of condensation of the substance
How many grams of Ca metal are produced by the electrolysis of molten CaBr2 using a current of 30.0 amp for 10.0 hours
The following data were obtained from experiments to find the molecular formula of procaine, a local anesthetic, which contains only carbon, hydrogen, nitrogen, and oxygen
If the iron solution was incorrectly diluted to 0.002M for the unknown, what would be the effect on the calculated percent of aspirin in the tablet? Explain
Calculate the number of molecules inside the cell, which is 3.6um long and 1.2 um in diameter.
The reaction 2NOCl(g) → 2NO(g) + Cl2 (g) has an activation energy of 100.0 kJ/mol and a rate constant at 400.0 K of 8.5 x 10-6 mol-1 L s-1. Determine the rate constant at 450 K.
develop a method for testing hydrogen peroxide solutions available at the supermarket or drugstore. devise strategies
The density of a sample of an unknown solid is 16.9 g/cm3. Convert this density to to units of lb/ft3.
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