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How would you distinguish between the following compounds? State what you would do and what you would see. (lab associated witht his question used Jones, Lucas, Iodoform tests)
a) isoamyl alcohol and sec-amyl alcohol
b) isobutyl alcohol and diethyl alcohol
c) n-amyl alcohol and valeric acid
d) 2-pentanol and 3-pentanol
Calculate the concentrations of all species at equilibrium for the following case.
When a 2.3L sample of hydrogen gas at 25oC is heated to 120oC at constant pressure, what is the new volume of the gas?
A compressed gas cylinder contains 1.00 x 103 g of argon gas. The pressure inside the cylinder is 2050 psi at a temperature of 18oC. How much gas remains in the cylinder if the pressure is decreased to 650psi at a temperature of 26oC?
A Cu/Cu2+ concentration cell has a voltage of 0.24 V at 25 Celcius. The concentration of Cu2+ in one of the half cells is 1.5 * 10-3 M. what is the concentration of Cu2+ in the other half cell?
Mesitylene is a compound consisting only of C and H. If you burn 0.115 g of the compound, and find that it produces 0.379 g of CO2 and 0.1035 g of H2O.
while heating two different samples of water at sea level one boils at 102 c and one boils at 99.2 c. Calculate the percent error for each sample from the theoretical 100.0 c
Determine the quantity of unknown protein that has an absorbance of 0.227 when a blank has an absorbance of 0.081. The previously determined calibration curve has the form of a straight line with the equation A = 0.0182 × m 0.007
Draw the molecular structure of three monomeric units of the addition polymer that results from polymerization of acetylene. Only show the structure that would be found inside the brackets of a condensed formula for this polymer
A 1- flask is filled with 1.20 g of argon at 25 C. A sample of ethane vapor is added to the same flask until the total pressure is 1.25 atm.
A mixture of FeO and Fe2O3 with a mass of 10.0 g is converted to 7.43 g Fe of pure Fe metal. What are the amounts in grams of FeO and Fe2O3 in the original sample
What is the specific heat capacity of a metal that has capacity of a metal that has a mass of 25.00 grams and absorbs 1000.0 j of heat in cooling from 80.0 c to 40.0 c?
A soft drink contains 35 mg. of sodium in 315g. of H2O. What is the concentration of sodium in the soft drink in mass percent?
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