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Given 100g of styrene, and the appropriate apparatus and conditions to conduct the anionic polymerization of this monomer with n-butyllithium, calculate the expected average molecular weight of the resultant living polymer chains if you could introduce exactly 500 molecules n-butyllithium. Assume no termination and total usage of the monomer and initiator.
If 8.00 mol of NH3 reacted with 14.0 mol of O2, how many moles of H20 will be produced?
what is the percentage yield if 400 grams of chlorine react with excess potassium bromide to produce 820 grams of bromine
Mixtures of diastereomeric 1,3-dimethylcyclopentanes are formed on catalytic hydrogenation of all but one of the following. Which compound gives only a single stereoisomer of 1,3-methylcyclopentane
If 57.0 mL of BaCl2 solution is needed to precipitate all the sulfate ion in a 754 mg sample of Na2SO4 , what is the molarity of the solution
What volume of oxygen at 27.0 °C and 1.20 atm is required for the complete combustion of 14.0 g C2H4? C2H4 + 3 O2 ? 2 CO2 + 2 H2O
The vapor pressure of CCl4 (MM = 153.81g/mol) at 65 degree celsius is 504mmHg. How many grams of C10H8 (MM= 128.2gmol) must be added to 25.00g of CC4 so that the vapor pressure of CCl4 is 483mmHg?
Using formal charges, draw the resonance form from among all the Lewis structures that is most important in describing BeCl2.
When the gas is not flowing, the pressure is the same everywhere in the pipe. How high above the bottom of the manometer would the mercury be in the arm connected to the pipe?
The normal boiling point of 1-butanol is 117.8 C. 1-butanol (l, 1 atm) ? 1-butanol(g, 1atm) delta H=43.82 kJ Calculate the boiling point of 1-butanol when the barometric pressure is 47 mmHg
Consider the following system at 100°C: N2O4(g) ?2NO2(g) Kc = 0.36 Predict the direction in which the system will move to reach equilibrium if we start with 0.20 mole of N2O4
A mixture of an amine, RNH2, and other items in CH2Cl2 was extracted with 10% HCl. The aqueous layer was discarded. The organic layer contained no amine. What went wrong?
Reversible adiabatic processes are isentropic. Are isentropic processes necessarily reversible and adiabatic?
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