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The log Henry's Law constant (units of L-atm/mole and measured at 25 degrees Celsius) for trichloroethylene is 1.03; for tetrachloroethylene, 1.44; for 1, 2-dimethylbenzene, 0.71; and for parathion, -3.42.
(a) What is the dimensionless Henry's law constant for each of these chemicals?
(b) Rank the chemicals in order of ease of stripping from water to air.
If Ka is 1.75E-5 for acetic acid, calculate the pH at one-half the equivalence point and at the equivalence point for a titration of 50ml of 0.100M acetic acid with 0.100M NaOH?
if each hydrogen molecule forms 2e- then how many kg of h will be required to produce the electricity required for a
Which of the following accurately describes the change that occurs when liquid water is frozen into an ice cube. A. A physical change B. A chemical change C. Both a physical and chemical change D. Neither a physical nor a chemical change
How and why are the lines from the metal salt solutions different from the hydrogen lines. Explain in terms of theory of hydrogen atoms and salt solution atoms.
The following reaction takes place in a sealed 40.0-L container at a temp of 120 degrees C 4NH 3(G) + 5 O2 (g) --> 4NO (g) + 6H2O (G)
A cylinder of Nitric Oxide has a volum of 10.0L and a pressure of 16.98 atm at 20 degrees Celcius, the number of moles of NO
The original volume is 70. cm3. If the combustion of this mixture releases 855 J of energy, to what volume will the gases expand against a constant pressure of 640. torr if all the energy of combustion is converted into work to push back the pisto..
draw the lewis dot structures for ammonia and for the ammonium ion. write the net ionic equation for the conversion of
Of the choices below, which would be the best for the lining of a tank intended for use in storage of hydrochloric acid.
Consider the titration of 30.0 of 0.035 with 0.030 . Calculate the after the following volumes of titrant have been added.
Without a reference sample of a pure compound, can melting point alone be used to unambiguously assignt the correct chemical structure
A reaction mixture initially contains 1.6 L of A and 1.8 L of B. Assuming that the volume and temperature remain constant, what is the percent change in pressure if the reaction goes to completion?
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