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A convinced substance has a heat of vaporization of 64.01 kJ/ mol. Explain at what Kelvin temperature will the vapor pressure be 8.00 times higher than it was at 287 K?
Using the given standard reduction potential, calculate the amount of OF2 that is produced, and the electrode at which the OF2 is produced, upon the passage of 0.480 faradays through an aqueous KF solution.
The resulting mixture exerts a pressure of 731 mmHg at 83°C. (a) What is the partial pressure of each gas in the container (in mmHg)? (b) What is the mass of the original sample (in g)
What is the hydroxide ion concentration of an aqueous 0.00364M caffeine solution. The most basic nitrogen atom in caffeine has aKb of 4.1x10-4.
give explanation why the boiling point of a 2-component mixture increase slowly throughout a simple distillation while
When 50.0 mL of water containing 0.50 mol HCl at 22.5°C is mixed with 50.0mL of water containing 0.50 mol NaOH at 22.5°C in a calorimeter, the temperature of the solution increases.
an auto technician spills 85 ml of 2.6 m h2so4 solution from a rebuilt auto battery. how many milliliters of 2.5 m
a certain ideal gas has molar heat capacity at constant volume cv. a sample of this gas initially occupies a volume vo
a mixture of three gases x y and z is at a total pressure of 7.25 atm. the partial pressure of gas x is 1.84 atm that
This molecule has a charge of n-. By changing the overall charge, n, from 1- to 2- to 3- we get three different polyatomic ions. For each of these ions a) identify the central atom and b) determine the formal charge of the central atom, X.
the lower state was the ground state and the upper state was the first excited state for the flame tests of each metal atom you observed,
Calculate the heat given off by the burning Mg in kJ/g. b)Calculate the heat given off by burning Mg in kJ/mol
a predict the order of elution of a mixture of biphenyl benzoicacid triphenylmethanol methyl benzoate from a silica
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