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Calculate the rotational partition function of CH4 (a) by direct summation of the energy levels at 298K and 500K, and (b) by the high temperature approximation. Take B= 5.2412 cm^-1
liquid stream containing ethane and propane enters a flash chamber operated at 80 oF and 300 psia. Leaving the chamber, the vapour stream flow rate leaving the chamber
A solution is prepared by mixing 63.0 mL of 5.00 M HCl and 20.0 mL of 8.00 M HNO3. Water is then added until the final volume is 1.00 L. Calculate [H+], [OH -], and the pH for this solution.
Now assume that you started with only 1.80 g of sodium benzoate. Assuming that the reaction proceeds to form benzoic acid, what would your theoretical yield be. Use two decimal places.
Neither serine nor leucine are eluted from the column because the pH of the elution buffer is too high. D. Leucine will elute first, followed by serine. E. Serine will elute first, followed by leucine.
Determine the minimum concentration of KOH Potassium hydroxide is used to precipitate each of the cations from their respective solution.
How many grams of hydroxyapatite will dissolve in 1.00 L of H2O? Ksp= 2.34*10^-59; Molar mass=502.3 g/mol Ca5(PO)3OH = 5Ca^2+ +3 PO4^3- +OH^-
Suppose you have made 1L worth of a mixture of methanol and water, by mixing 3 parts of methanol and 2 parts of water by mass. Assume for simplicity that the volume of the mixture is exactly equal to the sum of the volumes of the ingredients
A gas expands and does P-V work on the surroundings equal to 323 J. At the same time, it absorbs 145 J of heat from the surroundings.
The heat of fusion of sodium metal is 630 cal/mol. How much heat (in kilocalories) is required to melt 179 grams of sodium
Carbon-14 has a half-life of 5730 years. How long will it take for a sample to decay to only 17% of its original amount
What is the Volume of 1.05 mol of Benzene (C6H6) at 20.7 degrees C. The density of Benzene is 0.879 g/mL.
Calculate the equilibrium constant of the following reaction at 25 C from the standard potential data:
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