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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
The Henry's law constant for CO2 in Water is 12.8 Mpa at standard conditions. For standard atmospheric conditions, what is the mole fraction of CO2 dissolved in a container of water open to the atmosphere.
The mole fraction of O2 in the air is 0.2094, and the mole fraction of N2 is 0.7809. Calculate the density of air at 25 degree celcius and the pressure is 1.00 atm.
Empirical and Molecular Formulae, The analysis of an organic compound produces the following elemental analysis: % C is 59.999% and % H is 4.476%.
1 you react e-27-dimethyl-4-octene with bromine collect product and then perform a second reaction with potassium
Show how many µL of protein sample you will take and add with the desired volume of DTT and Laemmli buffer to make the right concentration of sample.
While a 1.00 L flask containing 1.500 atm of gas A is joined with a 1.00 L flask containing 0.750 atm of gas B, as well as the stopcock between the flasks is opened, also the gases are allowed to mix thoroughly, the following reaction proceeds at ..
butane reacts with oxygen in the air to form carbon dioxide and water. how many moles of carbon dioxide can be formed
a 500 mg tablet of antacid all 500mg is calcium carbonate is put into 250 ml of 0.12m hydrochloric acid. what volume of
The dispersion of a diffraction grating, such as the one shown at the right, is the angle of separation per μm of wavelength, Î"Φ /Î"λ
A piece of metal with mass of 147 g is placed in 50-mL graduated cylinder.The water level rises from 20mL to 41ml. what is the density of the metal?
The pH of a dimethylamine aqueous solution is 11.98. (CH3)2NH + H2O ? (CH3)2NH2+ + OH-, The dimethylamine solution is 0.146 M a) Calculate the Kb value for dimethylamine.
the enthalpy change for the reaction of hydrogen gas with fluorine gas to produce hydrogen fluoride is -542 kj for the
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