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Write a chemical equation that illustrates each of the following.
a. An aqueous solution of ammonia is basic.
b. An aqueous solution of Fe3+(aq) is acidic.
c. The acid-base behavior of an aqueous solution of sodium cyanide.
d. Indicate the acid-base behavior observed up dissolution of calcium oxide in water.
e. Indicate the acid-base behavior observed upon dissolution of CO2 in water.
f. Indicate the acid-base behavior upon dissolution of methanol in water.
Calculate the entropy change when neon, at 50 celsius and 1.00 atm pressure in a container of volume 0.500 dm^3 is allowed to expand to 1.00 dm^3 and simultaneously heated to 100 celsius
A nuclear explosion generates so much heat that it turns steel structures in the immediate area into steel vapor. What is the correct name of the type of phase transition that is represented by this process
what effect does the presence of sodium sulfite group on methyl orange have on the solubility of methyl orange in water. If this group were absent, would you expect the solubility of the resulting molecule to be more or less soluble in hexane than..
From the same container under the same conditions--same temperature and initial pressure, it takes 385 s for 7.00 L of O2 gas to effuse. Calculate the molar mass (in grams/mol) of the unknown gas.
Classify each of the following binary compounds by the oxidation number of hydrogen. NH3 CaH2 MgH2 H2O HCl NaH H2 CH4
Two of these students will report, within experimental error, the same increase in solution temperature for the neutralization. Which are the two students? Explain.
Sodium sulfate is slowly added to a solution containing 0.0500 M Ca2 (aq) and 0.0360 M Ag (aq). What will be the concentration of Ca2 (aq) when Ag2SO4(s) begins to precipitate. What percentage of the Ca2 (aq) can be separated from the Ag (aq) by s..
q. a boy has a newly minted penny that is composed of zinc and copper in actual composition it contains 2.7 percent of
How many moles of gas are there in a 45.0 L container at 25.0 degrees Celcius and 500.0 mm Hg
What is the minimum volume of boiling water needed to dissolve 200mg of phenacetin, which has a solubility of 0.076 in cold water and 1.22 in boiling water
Calculate the volume in liters of a 0.024 micro M copper (II) sulfate solution that contains 11.0 mol of copper (II) sulfate
description of the mechanism of this reaction? tertiary carbanion, 2-methylpentoxonium ion, sp hybridized pentyne, vicinal dihydroxide, or hydroxide ion.
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