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Eugenol, a compound found in nutmeg and cloves, has the formula C10H12O2. What is the boiling point of a solution containing0.133g of this compound dissolved in15.0g of benzene? The normal boiling point of benzene is 80.10 °C, and its boiling point elevation constant is 2.53 °C/m.
At constant pressure, the combustion of C2H6 releases 259 kJ of heat. Find delta H for the rxn: 2 C2H6 (g) + 7O2 (g) -> 4CO2 (g) + 6H20(l)
solution of cesium phosphate d. 7.92 x 10^-15 M solution of Hg2+ and a saturated solution of H2S at a pH of 0.5.
what is the molar mass of the protein? A solution of 7.50 mg of a small protein in 5.00 ml of aqueous solution has an osmotic pressure of 6.80 torr at 23.1 degrees celcius.
What is the percent yield of a reaction in which 228 g phosphorus trichloride reacts with excess water to form aqueous phosphorus acid (H3PO3) and 129 g HCl?
The reaction S2O82- + 2 I- ------> 2 SO42- + I2 proceeds slowly in aqueous solution, but can be catalyzed by the Fe+3 ion. Given that Fe+3 can oxidize I- and Fe2+ can reduce S2O82-, write a plausible two-step mechanism for this reaction.
An electron spin can adopt either of two orientations in a magnetic field, and its energies are ±?BB, where ?B is the Bohr magneton. Deduce an expression for the partition function and mean energy of the electron and sketch the variation of the fu..
what mass of KO2 in grams is required to react with 8.90-L of CO2 at 22.0 C and 767mm Hg? first calculate the number of moles of CO2 (R=0.08026 L*atoms/ mol*K) find moles of Co2 and mass of KO2 in grams?
Assuming that a particular individual's stomach contains 1 quart of 0.1 M HCl, and that an antacid tablet contains as its active ingredient 500 mg of calcium carbonate, what would the final pH of this individual's stomach contents be after taking ..
aluminum oxide al2o3 is a widely used industrial abrasive corundum emery with its specific application depending on the
Suppose that a transition-metal ion was in a lattice in which it was in contact with just two nearby anions, located on opposite sides of the metal. Diagram the splitting of the metal d orbitals that would result from such a crystal field Assuming..
to obtain the same antifreeze protection requires 76 of propylene glycol to replace each 62 of ethylene glycol.
Explain how does doubling the preliminary concentration of iodine, while keeping all others constant, affect the initial rate
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