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1. When preparing the solutions for Part A, an aqueous solution of diamine and NaOH is made. Why isn't a solution of NaOH and diacid chloride in cyclohexane made?
2. This is the Part b) of the question. in Part a), it asked us to draw the structure of kevlar telling us that it is a nylon polymer which is used to make bulletproof vests. Give (i) the classification of Kevlar and (ii) name the byproduct from this reaction.
If 3.30ml of vinegar needs 45.0ml of 0.130M NaOH to reach the equivalence point in a titration, how many grams of acetic acid are in a 1.10qt sample of this vinegar?
Calculate the concentration (molarity) of iron in a dilutedsolution if 5.00 mL of 5.0x10^-4 M Fe(NH4)2(SO4)2 6H2O isdiluted with water to 100.0 mL.
the air is at a standard temperature and pressure, how many gaseous molucules does the flas contain
A method of analysis yields masses of gold that are low by 0.4 mg. Calculate the percent relative error caused by this result if the mass of gold in the sample is
Sterling Silver is 92.5% silver by mass. How many lbs of silver are there is a 45.0 Mg piece of sterling silver?
calculate the external pressure that must be applied to seawater, 1.14 M total ion concentration at 10 degrees celcius if the maximum concentration allowed in the product water is 166 mg/L
If oxygen gas were collected over water at 295K and the total pressure of the wet gas were 710 mm Hg, what would be the partial pressure of the oxygen
Calculate the equilibrium concentrations of CO2, H2, and H2O at 800 K if only CO and H2O are present intially at concentrations of .119M?
An airplane is pressurized to 650 {rm mm,Hg}, which is the atmospheric pressure at a ski resort at 1.30×104 {rm ft} altitude. If the partial pressure of oxygen drops below 100 {rm mm,Hg}, passengers become drowsy.
Use the initial volume of acetic acid, the volume of NaOH required to reach the equivalence point and the value of the molarity of NaOH that you obtained when you standardized this solution against KHP in the strong-acid/strong-base experiment to ..
A 250.0ml sample of air at 100.0 K is warmed to 200.0 K at constant pressure. What is the volume of the air sample at the new temperature.
If 30 mL of 6.2 M H2SO4 was spilled, what is the minimum mass of NaHCO3 that must be added to the spill to neutralize the acid?
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