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In a Fisher Esterfication Experiment the reaction product was extracted with 5% sodium bicarbonate solution (NaHCO3) in the isolation step. Why?
What gas was evolved during this washing step?
Write a balanced equation for the reaction that produced it.
When diluting the juice samples with water, you did not need to be as accurate as in previous measurements. Why was the same level of precision not required?
What was the nucleophile generated? What are the other products that can be formed in the presence of sulfuric acid?
calculate the osmotic pressure in torr of 6.00 L of an aqueous 0.889 m solution at 30.°c, if the solute concerned is totally ionized into three ions.
in experiment to find emperical formula of magnesium oxide, why the empty crucible and cover fired to red?
What is the equilibrium concentration of hydronium ion in a solution that is 0.041 M in HF and 0.19 M in F1- ion.
For the following reactions, identify the type (combination, combustion, decomposition, displacement, methathesis [double-displacement)] neutralization), balance the reaction, and for the redox reactions identify the oxidizing agent and reducing a..
How much heat is required to warm 227 g of ice from -45.5°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C.
What is the atomic mass of an atom if its mass is approximately equal to the following?
Calculate the [Zn2+] in a solution of ZnC2O4 held at a pH of 3.00. Remember C2O4^2- is a weak base so you must consider other equilibria.
what is the classification of each reactant as metal or nonmetal?
if 150g of water is collected during complete combustion of 166g of butane with ocyben, calculate the percent yield of water.
Compare the numbers you have just calculated with the vapour pressures of water at these temperatures. Can you suggest a reason why the two sets of numbers are so different?
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