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Maleic anhydride reacts with ethylene glycol to produce an alkyd resin. Draw the structure of the condensation polymer produced.
Europium (atomic weight 151.96) has two naturally occurring isotopes with isotopic weights 150.9196 and 152.9209. what is the percentage abundance of the lighter isotope
How many grams of ammonium sulfate are needed to make 0.3500 L solution at a concentration of 5.000M.
How much ammonia would be spent to remove the NOx generated, expressed in kg of of NH3 per 100 kg of fuel?
Mixtures of helium and oxygen are used for scuba diving. For a particular dive, 46 liters of O2 at 25 degrees celsius and 1.0 atm and 12 liters of He at 25 degrees celsius and 1.0 atm are pumped into a tank with a volume of 5.0 liters.
The acid dissociation for a weak acid Hx at 25c is 1.6x10^-8. Calculate the free energy information for x-(aq) at 25c. The standard free energy of Ax(aq)
Please draw a detailed arrow-pushing mechanism for the addition of HBr to trans-2-butene. Also draw a potential energy diagram for this reaction.
0.74 L of a 0.41 M solution is diluted to a final volume of 3200 mL. What is the resultant molarity?
suppose that you are performing an extraction of an aqueous solution with an organic solvent that has a density less than water. Propose a method to identify and collect only the organic solvent. Assume that water and your solvent of interest are ..
1.00 mol HF and 0.500 mol NaOH are both dissolved in water making 1.00L solution. Calculate the pH of the solution
What is the energy difference between the two energy levels involved in the emission that results in this spectral line and calculate the frequency (Hz) and wavelength (nm) of the emitted photon when an electron drops from the n=4 to the n=2 level i..
Gilman reagents will react with alkyl halides to form carbon-carbon bonds. Outline a synthesis of Ph2CuLi and use it to make butylbenzene isomer free. What other way can you make butylbenzene isomer free?
the average concentration of strontium ion in seawater is 8.00 mg of strontium ion per kg of seawater. what is the
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