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Aspirin (C9H8O4) is produced from Salicylic acid (C7H6O3) and Acetic anhydride (C4H6O3): C7H6O3 + C4H6O3 ----> C9H8O4 + HC2H3O2 a) How much salicylic acid is required to produce 1.5 X 10^2, assuming that all o the Salicylic acid is converted to aspirin?
How large should n be in order to approximate the integral from 0 to 1 sin(X^2) dx accurate to with in .001 using the midpoint rule (please show how to find the K value also)
From the stoichiometry, it's shown that the sodium ethoxide is used in excess. What happens to this excess during work out. (Be specific, write out the reaction that occurs and figure out at what point is it destroyed)
A student determines the amount of tetrachlorethylene in a contaminated well water using a purge and trap technique. The student takes 150.0 mL of the well water, spikes the well water with 100 microlitres of 50 ng carbon tetrachloride/mL and purg..
The rate law for the reaction, 2NO(g) + O2(g) -- 2NO2(g), is found to be: rate of reaction=k[NO]2[O2]2 (PLEASE note that the 2's after the concentrations are powers, so we have NO to the power of 2 and O2 to the power of
sodium 24 has a half life of 15 hours. how much sodium 24 will remain from a 10.0-g sample after 60 hours?
The product is a cyclopentyl ether (five carbons with an oxygen). Then attached to a carbon directly adjacent to the oxygen is a methyl bromide group.
1.35 mol of N2 at 19 deg C, 6.35 bar undergoes a transformation to the state described by 210 deg C and 1.90 bar. Calculate deltaS if Cp,m*K*mol/J = 30.81 - 11.87*10^-3T/K + 2.3968*10^-5T^2/K^2 - 1.0176*10^-8T^3/K^3
Which of the following equations represents the proper net ionic equation for the complete neutralization reaction between the weak acid HClO2 (aq) and the strong base NaOH (aq)
Write contributing (important) resonance structures for each of the following compounds and predict their relative C=O vibrational frequencies based on the importance of the contributing resonance structures. List in them order from highest to low..
Speculate on the structure of the compound formed when 4-dimethyl-aminobenzaldehyde is condensed with 4-chlorobenzaldehyde
what is the total volume occupied by the metal and the water in the graduated cylinder? 2.How could the density of a substance that was soluble in water, be determined?
reaction does k decrease over time what about in a 0 and 1 st order reaction. In a second order reaction does the half life increase over time what about in a 0 and 1 st order reaction?
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