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Presume that ammonia applied to afield as a fertilizer, is washed into a farm pond containing 3.0 x 106 L of water. If the pH of this pond is found to be 9.81, explain what volume of liquid ammonia found its way into the pond?Specified Kb (NH3) = 1.8 x 10^-5; the density of liquid ammonia is0.771 g/cm3
a 486 mL sample of water was cooled from 50C to 10C. assuming a specific heat of 4.184 J/K g and a density of 1.00 g/mL, find the amount of heat transferred.
Depict all of the stereoisomers that result when (E)-hex-2-ene is hydrogenated with D2 over a metal catalyst. All hydrogen atoms are implied, however any deuterium isotopes must be shown where appropriate.
A 0.0100 molal aqueous solution of a weak acid freezes at -0.0205 oC. Calculate the percent ionization of the weak acid, HA.
What is the M concentration in octanol? (b) pH= 8.00 what is the M concentration in water? what is the M concentration in octanol?
Use bond energy values to estimate the reaction enthalpy for the formation of ammonia from nitrogen gas and hydrogen gas. Note that N2 contains a triple bond. You will need structural formula.
Explain what are the structures of the major and minor products obtained when 1- methylcyclohexanol is dehydrated using concentrated sulphur acid. Distinguish from each other using any of the tests for un-saturation Explain in the procedure. If ye..
An astrophysicist working at an observatory is interested in finding clouds of hydrogen in the galaxy. Usually hydrogen is detected by looking for the Balmer series of spectral lines in the visible spectrum. Unfortunately, the instrument that dete..
a mass of ccl4 is vaporized at 100.0 c to fill a flask with 275.0 ml when the atmospheric pressure is 753.9 torr. if
WHen electrons in a molecule are not found between a pair of atoms but move throughout the molecule, this is called
A 0.08468 g sample of gas occupies 10.0-mL at 291.0 K and 1.10 atm. Upon further analysis, the compound is found to be 13.068% C and 86.932% Br. What is the molecular formula of the compound
use your titration results to calculate the molar concentration (molarity) of the Ba(OH)2 solution using the molar amounts of H2SO4 used in each trial
Concentrated ethanol solutions can be used to kill microorganisms. At low concentrations, however, such as in some wines, the microorganisms can survive and cause oxidation of the alcohol. What is the structure of the acid formed
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