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FeCl2 is water soluble. what ions are formed when this compound dissolves in water? If the solution is 0.255 M FeCl2 what is the molarity of each ion in aqueous solution?
The fluorocarbon C2Cl3F3 has a normal boiling point of 47.6°C. The specific heats of and C2Cl3F3(g) are 0.91 J/gK and 0.67 J/gK, respectively. The heat of vaporization of the compound is 27.49 kJ/mol.
A sample of gas has an initial volume of 3.0 L at a pressure of 747 mmHg,If the volume of the gas is increased to 3.4 L , what will the pressure be?
the Ras and MAP kinase pathway starts with the binding of a growth factor to a receptor. as a result, all of the following occur EXCEPT
5000 barrels of 28O API gas oil are blended with 20,000 bbl of 15O API fuel oil. What is the density of the mixture in lbm/gal and lbm/ft3.
Calculate the number of moles of carbon dioxide formed if 231 grams of calcium carbonate decomposes. CaCO3(s) ? CaO(s)+CO2(g)
A gas expands and does P-V work on the surroundings equal to 281 J. At the same time, it absorbs 216 J of heat from the surroundings. What is the change in energy of the system?
Draw both extended and Fischer representation of each of these compounds.
What is the H3O+ concentration of the solution?
Calculate the volume in liters of a 0.133mol/L copper (II) sulfate solution that contains 150.g of copper (II) sulfate (CuSO4).
a weak base used in the manufacture of dyes. Calculate the value of Kn for the neutralization of aniline by vitamin C. (ascorbic acid, C6H8O6, Ka = 8.0 x 10 -5).
Beta sheets are a type of secondary structure in proteins. A segment of a single chain in an antiparallel. sheet has a length of 291 Å . How many residues are in this segment
A water has a pH = 7.4 and an alkalinity of 400 mg/l as CaCO3. The first dissociation constant for carbonic acid (H2CO3) is K1 = 4.45e-7. Assume all activity coefficients are equal to 1.0. What is the concentration of carbonic acid in moles/liter?..
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