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Draw three different alcohols with a mass of 102.
a) for each alcohol, identify the number of different hydrogen shielding environments, thus the number of different peaks in an 1H-NMR spectrum.
b) for each peak in each alcohol drawn, predict the chemical shift (in ppm)
c) for each peak in each alcohol drawn, give the relative integral (in # of H's)
Remember that each peak will have one chemical shift, and one integral... and it's absolutely possible for them to approximately overlap.
After precipitation is complete, the concentration of the OH- is -0.10M and the measured cell potential is 1.05V. Calculate the Ksp value for Zn(OH)2(s). Zn(OH)2 > Zn^(2+)(aq) + 2OH-(aq) Ksp = ? PLEASE show ALL work, I rate ALL 5 stars.
In which conversion is an oxidizing agent required? a. CH3CH2CH2CH3
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the rate constant for a reaction is 7.7 x 10^-3 s^-1 at 25 C, and the activation energy is 33.6 kj/mol. what is k at 75C
Why are the injection port and detector always heated to higher temperatures than the column in a gas chromatograph
A solution is prepared by dissolving 0.18 moles of acetic acid and 0.18 moles of ammonium chloride in enough water to make 1.0 L of solution. Find the concentration of ammonia in the solution.
You are a laboratory assistant for your chemistry course. There are 250 students in the course, and each needs to use 25 mL of a 0.15 M solution of copper sulfate.
What was the concentration of the unknown HClO4 solution? The neutralization reaction is: HClO4(aq)+NaOH(aq)==>H2O(l)+NaClO4(aq)
How much work is done when a 185g tomato is lifted 15.0m. 39.6J The tomato is dropped. What is the velocity, v, of the tomato when it hits the ground. Assume 91.9 % of the work done in Part A is transferred to kinetic energy, E, by the time the to..
How many hydrogens does an alkane with 17 carbons have How many carbons does an alkane with 74 hydrogens have Draw the structure and give the systematic name of a compound with molecular formula C5H12 that has
At an altitude of 30 km, the temperature in the stratosphere is approx. -45.3 degrees F. What is the average kinetic energy of a single CF2Cl2 molecule at this temperature?
How many mL (to the nearest mL) of 0.200-M KF solution should be added to 660. mL of 0.193-M HF to prepare a pH = 3.30 solution
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