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A polymer solution is produced by dissolving the 0.0418 g of the polymer in cyclohexane, C6H12, MW = 84.16g/mole to produce a solution of final volume 100.0 mL.
Write down the short hand electron configuration for Platinum, the orbital diagram, and give the quantum number address for each of the valence electrons in the outer shell.
Illustrate the structure of the reaction products. Assume that amide bond is also hydrolyzed under the acidic conditions. Keratin sulfate was treated with dimethyl sulfate. Next, the molecule was h
Explain how would this specifically affect the measured percentage of water in the compound? Suppose that after your second heating, you were impatient and did not wait until your porcelain evaporat
Illustrate the structures of the hydro peroxide and carbon ion. The formation of fluorinate from fluorine is thought to proceed via carbon ion that is produced by the removal of the doubly benzylic
Determine the numbers of years would it take for you to spend the money if you had a mole of pennies "in your pocket" and you spent a billion dollars every day and night.
Determine the numbers of milliliters of 0.4 M NaOH or 0.4 M HCl are required, to make a phosphate buffer of pH 7.50, from a 250 mL solution of 10 mM disodium phosphate?
Determine the molar concentrations of reactants and products in an equilibrium mixture obtained by heating 1.00 mol of tert-butyl chloride in a 5.00L vessel at 500 K.
Suppose ideal behavior for vapor. The molar enthalpy of vaporization of water at 100C and 1 bar is 40.0 kJ/mol. Determine the value of ΔS for the conversion of n = 1 mol of liquid water at 10
MTBE in the groundwater. Discuss why MTBE was being used and how it ended up in the environment. Determine the physical property of MTBE is most significant in relation to its potential for emissio
Determine the heat of solution (Δ H) in kJ/mol for this endothermic reaction. In a coffee-cup calorimeter, 1.60 g of NH4NO3is mixed with 75.0 g of water at an initial temperature of 25.12degrees
Determine the heat of combustion of one mole of C6H6. The heats of formation of CO2 (g) and H2O(l) are -394KJ/mole and -285.8 KJ/mole respectively.
If the dipole moment of HBr is .8 D what fraction of a positive charge is found at Nucleus in HBr? The dipole moment of HCl is 1.0 D, which represents a charge separation of about .17 of an
Discuss what properties are essential for a solvent in order that it will be well suited for re-crystallization a particular organic compound?
Determine the numbers of molecules of each gas are present in the 1.00L of the sample at 298.15K at1.00 atm? A sample of air contains 20.94% oxygen, 78.08% nitrogen, .05%carbon dioxide, and .93% ar
Illustrate two possible chain structures for C3H4 and label the hybridization of each carbon atom by knowing that carbon has a valence of four in the nearly all its compounds and can form chain
Write down a chemical equation that describes what happens when the hydrochloric acid is added to this solution. A buffer solution is made from sodium acetate and acetic acid.
Determine what exceptions do you find in the increase of ionization energies across a period? Explain why do you think that we say the properties of the periodic table are "periodic"?
An alpha particle which is having the mass = 6.6 x 10^-24 g emitted by the radium travels at 3.4 x 10^7 plus or minus 0.1x10^7 mi/h.
Write down the Lewis Structures, determine the formal charge for each compound, and state which compound is the most likely according to the formal charges.
To make a solution with a pH = 4.30 a student used the following procedure : a certain amount of sodium acetate along with 0.280 moles of acetic acid is added to enough water to make a solution o
Determine the average diameter in the micrometers of a single white blood cell if 1500 WBC are lined up side by side they would form a row 1inch long.
Determine the numbers of grams of C12H22O11 would you require to react with excess the KClO3 if you want to make 14.0 grams of KCl?
What will be the result if a student extracts first with the NaOH then with NaHCO3. Explain why are the acidification steps necessary after the two extractions? Use equations in your explanation.
Determine the molarity of a Ti 3+ (aq) solution if the 100.0 mL of this solution needs 29.8 mL of 32.1 mM MnO4 - (aq) for complete reaction.