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Use the rydberg equation to calculate the wavelength in nm of the photon when an electron in a hydrogen atom undergoes a transition from n=6 to n=2
At a certain temperature the vapor pressure of pure benzene and pure toluene are 380 torr and 130 torr, respectively.
At 1 atm, how many moles of CO_2 are released by raising the temperature of 1 liter of water from 20 celcius to 25 celcius
what is the structure of an ester of 2-methylpropionic acid that has the molecular formula: C8H13ClO2 and 5 signals in its 1H NMR spectrum?
Name three similarities or differences between this hormone and insulin. Name three similarities or differences between this hormone and cortisone
A tightly sealed 5.0 L flask contains argon at 85.2 deg. C and 781 mm Hg. The flask is heated until the pressure is doubled. What it the temperature of the gas
When 2, 2-diphenyl-1-ethanol is treated with aqueous HI the main product of the reaction is 1-iiodo-1, 1-diphenylethane. Propose a plausible mechanism that accounts for the formation of this product
What are the Bi and Bi+ quantum numbers of the electron removed when Bi is ionized to Bi+?
A 2.067-g sample of a monoprotic acid was dissolved in water. It took 25.24 mL of a 0.1578 M NaOH solution to neutralize the acid. Calculate the molar mass of the acid.
What is the boiling point of a solution made by adding 6.79 g of magnesium chloride to 242.0 g of water?
A liquid has a H vaporization of 35.5kJ/mol and a boiling point 0f 122 degrees celcius at 1.00 atm.What is its vapour pressure at 109 degrees celcius.
Explain why methyl alcohol (CH3OH) is soluble in water in all portions, while stearyl alcohol [CH3(CH2)16OH] is a waxy solid that is not soluble in water.
Joe Schmoe mixed peroxide with yeast to generate oxygen gas and collected the gas in a graduated cylinder, using the same set up as was used in Experiment 11. He collected the following data
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