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Balance the following equation and write the corresponding ionic and net ionic equations (if appropriate include) phase abbreviations HNO3+(BaOH)2
compound be meso if it only has one chiral center? For example, is 1-chloro-1-methylcyclohexane a meso compound?
The iron content of a municipal water supply was determined by an atomic absorption procedure. The absorbance of the water, after a five-fold dilution, was 0.646 at 248.3 nm. A standard solution
For the structural stone marble, the specific heat is 0.858 J/g*degrees C. How much heat is absorbed by a 35 g sample of marble if its temperature is raised from 27 degrees C to 55 degrees C
Into a 50.00mL volumetric flasks were pipetted 10.mL aliquots of a natural water sample. Exactly 0.00, 5.00, 10.00, 15.00 and 20.00mL of standard addition solution containing 11.1 pp of Fe were added to each, followed by an excess of thiocyanate i..
(a) reversibly, (b) against a constant external pressure equal to the final pressure of the gas, and (c) freely (against zero external pressure)
Dehydrohalogenation of (2R, 3R)-2-bromo-3-methylpentane by a bimolecular reaction produces only (E)-3-methyl-2-pentene and 3-methyl-1-pentene as products. Provide a mechanistic explanation as to why (Z)-3-methyl-2-pentene is not formed.
Calculate the change in internal energy, u2-u1 in kJ/kg of Oxygen (O2) when the temperature of the gas is increased from 250K to 800K. Assume a constant specific heat. Use table A-20 to determine an appropriate value of the specific heat.
The standard voltage of the cell Ag(s) | AgBr(s) | Br (aq) || Ag +(aq) | Ag(s) is +0.73 V at 25 ?C. Calculate the Ksp for AgBr.
A mixture of lipids is applied to a silica gel column, and the column is then washed with increasingly polar solvents. The mixture consists of phosphatidylserine, phosphatidylethanolamine, phosphatidylcholine, cholesteryl palmitate
Hypotonic solutions cause red blood cells to A. shrivel B. burst C. no effect on red blood cells
Butanol and Chlorobenzene form a minimum-boiling azeotropic system. The mole fraction of 1-Butanol in the liquid (x) and vapour (y) phases at 1.000 atm is given below for a variety of boiling temperatures.
A solution has a volume of 2.0 L and contains 36.0 g of glucose (C6H12O6). If the molar mass of glucose is 180 g/mol, what is the molarity of the solution.
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