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If gasoline's composition is estimated to be 50% octane, 25% pentane and 25% ethly benzene on a mol basis, calculate the mols of oxygen required per mol of fuel for complete combustion.
A Be3+ ion emitts a photon with a frequency of 4.68 × 1016 Hz. If the energy of the initial state of the Be3+ ion was -3.88 × 10(-18) J, calculate the energy of the final state. Express answer in scientific notation.
a. If a mint leaf is 12% methanol how much should be distilled? b. What temperature should the distillation take place-approximately?
calculate the crystal field splitting energy in Kj/mol for blue soloution containing the copper complex [Cu(NH3)6]^2. the solution exhibits
Draw the experimental outcome for a titration analysis involving a titrant and titrand (the pH vs. volume titrant added response curve), wherein the titrand is the weak, monoprotic base aniline (0.05000 F, 0.10000 L), and the titrant is a strong m..
A certain substance has a heat of vaporization of 64.56 kJ/mol. At what Kelvin temperature will the vapor pressure
A flask is filled with vapor by boiling a volatile unknown liquid in the foil covered flask. As it boils away, the vapor of the unknown pushes the air out of the flask through a tiny pinhole opening and eventually the flask is filled with an atmos..
How is acetyl chloride produced? If 915 gallons is produced and shipped, will DOT require the carrier to display the flammable placard? Explain your answer.
How many grams of nickel metal are plated out when a constant current of 15.0 A is passed through aqueous NiCl2 for 80.0 minutes?
A sugar-water mixture contains 45.8 g of sugar and 108.5 g of water. What is the percent by mass of sugar and the percent by mass of water in the solution?
A 40.0 mg sample of a protein is dissolved in water to make 25.0 mL of solution. The osmotic pressure of the solution is 0.56 torr at 25°C. What is the molar mass of the protein?
Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons.
What amount of the ultimate carbonaceous BOD is remaining after this time?
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