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What gas escaped during the sodium bicarbonate washing? Write balanced equations for two reactions that took place during this operation.
Experiment: Preparation of synthetic banana oil
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Reaction mixture: acetic acid,isopentyl alcohol,sulfuric acid
Step: reflux
Product mixture: isopentyl acetate,acetic acid*, isopentyl alcohol*,sulfuric acid,water,by-products(*=unreacted starting materials)
Step:wash
AQ layer: water,acetic acid and sulfuric acid as salts organic layer: isopentyl acetate, isopenty alcohol, water (trace), by-products
Label and identify ALL functional groups. Label the chiral carbons (*), label the priorities (1,2,3,4) of the four "things" connected to the chiral carbon, draw the arrow or rotation and identify as R or S.
How wil you determie the relative reactivites of aromatic compounds? Outline the procedure that you need to do in the laboratory to determine the relative reactivites of the following:
If 13.5g of (NH_4)_2SO_4 is dissolved in enough water to form 230mL of solution, what is the molarity of the solution.
A sample of H2SO4 contains 1.11 grams of H (1.01 g/mol). How many moles of H2SO4 (98.02 g/mol) are present?
The bromocresolgreen end point of the titration was reached after the addition of 30.00 mL of hydrochloric acid solution. Calculate the concentration of the acid solution.
V is the volume, and n is a number that can be 1, 2, 3, ... . Assume that A=1. Determine the work done by the piston. Propose a physical meaning to the term "n" in the above equation.
A horizontal piston contains 34kg of water that is saturated at 36oC. Heat is transferred to the water until 80% of the water vaporizes.
If the absolute temperature of a gas is doubled, what happens to the root-mean-square speed of the molecules?
for the neutralization reaction involving HCl and Mg(OH)2, how many liters of 0.60 M HCl are needed to react with 45 g of a 2.5 M Mg(OH)2 solution? (density= 1.3 g/mL)
Calculate the volume of 0.50M NaOH needed to exceed saturation by 10% the volume from question 4 of 0.50M Mn(NO3)2 with Mn(OH)2.
A physiological saline solution contains 154 mEq/L each of Na+ and Cl-. How many moles of Na+ are in 1.00L of the saline solution?
What is the theoretical yield of bismuth when 393 g of Bi2O3 reacts with excess carbon as shown below? Bi2O3 + C(s) => Bi(s) + CO(g) (not balanced)
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