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Calculate the percent composition of each element in the compounds Benzene(C6H6) and Acetylene(C2H2). Since these are different compounds with very different properties, it may seem that this is an exception to the law of definite proportions. Explain why it is not and tell what unusual property of the carbon atom makes these two compounds possible
An industrial vat contains 2,500 liters of an acidic aqueous solution with a pH of 3.5. How many grams of NaOH need to be added to raise the pH to 4.3?
Calculate the pH and pOH of a solution prepared by adding 10.0 mL of a 14.8 M KOH solution to 200 mL of water, then adding water until the volume of the solution is exactly 250 mL.
Identify the element of Period 2 which has the following successive ionization energies, in kJ/mol. IE1: 1314, IE2: 3389, IE3: 5298, IE4: 7471, IE5: 10992, IE6: 13329, IE7: 71345, IE8: 84087.
A saturated solution of this substance was made in 0.01 M KlO3. The copper concentration was found to be 0.0012M. Determine the [IO3^-] and the Ksp of the substance.
What is the pH of a solution made by mixing 25.00mL of 0.200M CH3COOH with 10.00mL of 0.200M NaOH? Ka of acetic acid is 1.8 x 10^-5.
When operational in the determination of the calorimeter constant, a DC power source reads 3.60 volts and 2.65A. The resulting thermogram has a slope of 0.0438 degrees C/
when 1-bromo-2-methylhexane undergoes solvoysis in methanol, four major products are formed.
Determine how many grams of sodium chloride are required to prepare 250. mL of this solution. (if given the density of the saline solution is 1.0 g/mL)?
Kb of ethylamine, urea and ammonia are 5.6 x 10-4, 1.5 x 10-14, 1.8 x 10-5, respectively. Arrange these bases in the increasing order of basicity
Using a liquid sample of Na that has a molar heat of fusion of 2.06 kj/mol calculate the number of moles in a liquid sample of Na if sample releases 41.4 kj when it freezes?
Lewis Dot structure and identify molecule shape, the hybridization on the central atom, and whether the molecule is polar or non
a mixture conntains two compound that absorbs strongly in the 300-600nm range the molar absorptivities of the two compounds at two wavelenghts in this range are shown in the table compound molar absorptivity at 400 nm mola..
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