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A mixture of gases collected over water at 14 degrees celcius has a total pressure of 0.981 atm and occupies 55 ml. How many grams of water escaped into the vapor state? Hint: What is the vapor pressure of water at 14 degrees celcius?
write the rate law for each elementary reaction in the mechanism. D) if the first step is slow and the second one is fast, what rate law do you expect to be observed for the overall reaction.
Calculate the wavelength (in meters, use the abbreviation, not the whole word) of an electron traveling at a speed of 806 m/s
the calculation supports the idea that thermal pollution around cooling vents of nuclear reactors is detrimental to marine life.
For the following hypothetical elementary step reaction at equilibrium: A in equilibrium with B, and from the ARrhenius equation k= A e^(-Ea/RT), derive the equation : Ln(K1/K2)= delta H/R(1/T2 - 1/T1) in any one of it's forms.
volumetric flask and diluted with deionized (DI) water in order to prepare a calibration standard solution with a concentration of 2.50 x 10-5 M ferroin.
An environmental engineer analyzes a sample of air contaminated with sulfur dioxide. To a 500-mL sample at 700. torr and 38 degrees celcius, she adds 19.50 mL of 0.01017 M aqueous iodine
What is the molecular formula of a compound with the empirical formula NO¿ and a molar mass of 138.02 grams per mole?
if one started with 13.9 mmol of sodium benzoate, how many grams of benzoic acid should be formed?
Concentrations of aerosol constituents are sometimes expressed as ppb (mole fraction) to enable comparison with gaseous concentrations expressed in ppb. The unit ppb (mole fraction) is evaluated as RT x concentration of aerosol constituent in nano..
Then the gas is cooled at a constant volume of 22.3L back to its original temperature. Then it contracts back at a constant tempurature to its original volume. What is the total heat flow for the process
Indicate how each of the following errors will affect the calculated molarity of acetic acid.(high,low or no effect) and explain why. 1) The actual molarity of the NaOH was .2000M rather than .3000M
description of the mechanism of this reaction? tertiary carbanion, 2-methylpentoxonium ion, sp hybridized pentyne, vicinal dihydroxide, or hydroxide ion.
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