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(a) Chloroacetic acid, ClCH2COOH, has a pKa of 2.87. What are [H3O+], pH, [ClCH2COO-], and [ClCH2COOH] in 1.02 M ClCH2COOH?
(b) Calculate [H2S], [HS -], [S2-], [H3O+], pH, [OH -], and pOH in a 0.15 M solution of the diprotic acid hydrosulfuric acid.
(c) Calculate [H2C3H2O4], [HC3H2O4?], [C3H2O42?], [H3O+], pH, [OH?], and pOH in a 0.197 M solution of the diprotic acid malonic acid. (Kw = 1.0 10-14)
How many grams of sodium azide are needed to provide sufficient nitrogen gas to fill a 35.0x35.0x25.0 cm bag to a pressure of 1.20 atm at 26 degress C.
What would the change in temperature be in each change if 1 mole of an ideal gas is subjected to numerous changes in state, C= 12.47 J/Kmol.?
if junipers were allowed to grow in a medium containing acetate in which the methyl carbon was labeled with 14C
Calculate the maximum amount of thorium ion that could be present in a waste water, if it is made 0.1500 M in oxalate ion. Assume the oxalate is present in stoichiometric amount, compared to the thorium.
For the cell as written, what is the voltage after the addition of the following volume of NaI solution? The reduction potential for the saturated calomel electrode is E = 0.241 V. The standard reduction potential for the reaction
Emergency treatment of cardiac arrest victims sometimes involves injection of a calcium chloride solution directly into the heart muscle
A 0.00400 mole sample of 2-chloro-2-methylpropane is added to 500 mL of water, and the mixture is stirred until the pH levels off. What is the pH of the solution.
Draw the product(s) which can be formed by anti elimination of water from trans-2-methylcyclohexanol.
Cobalt-60 is a beta emitter with a half life of 5.3 years. Approximately what fraction of cobalt-60 atoms will remain in a particular sample after 12.0 years?
explain why some substances are soluble in water and some are not. respond to the statement like dissolves like. give
If silicon, atomic number 14, combines with chlorine, atomic number 17 what is the most likely formula based on your knowledge of the periodic nature of the elements
The work function of an element is the energy required to remove an electron from the surface of the solid element. The work function for lithium is 279.7 kJ/mol
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