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My organic chemistry lab. How do you extract vanillin from the vanilla bean. Can you use diethyl ether and heat the substance and then use vacuum filtration and heat to get rid of the ether and leave just the vanillin?
1. the valve between a ten litre tank containing a gas at a pressure ofnbsp 1 atm and a three lite tank containing a
Which solution will be a better buffer at pH 4.74? a. 0.5 M acetic acid + 0.5M sodium acetate b. 0.1 M acetic acid + 0.1 M sodium acetate
To avoid handling the powder form of this compound you decide to make up the whole bottle rather than attempt to weigh out a portion. The compound comes in 200 mg batches. What volume would you add to one of these bottles to make up a 10 mM soluti..
How do you name a chemical compound like Ca(SCN)2. I know it is Calcium and I found where SCN is thiocyanide, but how do you go about breaking down the name? Can you give me the steps to get there and the final answer instead of just the answer
If a 220 piece of gold (density =19.32 ) is hammered into a sheet measuring 2.3*1.0 ft. , what is the average thickness of the sheet in meters?
Problem- Use the curved-arrow notation to draw the mechanism of acetone and cis-1 2-cyclohexanediol in the presence of hydrochloric acid to form acetonide 3.
The rate constant for a certain reaction is k = 1.50×10?3 s^-1 . If the initial reactant concentration was 0.650M , what will the concentration be after 13.0 minutes?
If the titration of 0.8094g of 100% pure KPH requires 40.25mL of NaOH, what is the concentration of the NaOH solution
Problem- In preparing your soap, you dissolved 12.5g of sodium hydroxide in 32.0ml of de-ionized water. Your product was a solid cake of soap. 1) What happened to the water you added when preparing your soap during the course of the experiment
molecular I2 dissociates into iodine atoms at 625 K with a first-order rate constant of 0.271 s-1. What is the half-life?
what is the theoretical yield in grams of silver if 8.75 g copper are mixed with 0.350 mol agno3aq? the balanced
consider the following reaction where kc 54.3.h2g i2glt----gt 2 higstarting with a concentration of 0.043 m for hi
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