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Predict the order of elution for the silica gel adsorption TLC separation of the mixture containing benzyl alcohol, benzaldehyde, and benzoic acid using methylene chloride solvent. Explain
Given chemical reaction is used to produce electricity in lead storage battery that used in automobiles generally.
If 5.08 x 10^ 3 kg each of NH3, O2, and CH4 are reacted, what mass of HCN and of H2O will be produced, assuming 100% yield?2 NH3(g) 3 O2(g) 2 CH4(g) → 2 HCN(g) 6 H2O(g)
You transfer a sample of a gas at 17*C from a volume of 5.67L and 1.10atm to a container at 37*C that has a pressure of 1.10atm. what is the new volume of the gas?
What is frequency of chemical shift at 1.25 ppm if 400 MHz NMR spectrometer is used
The pressure is changed to 8.75 atm and the gas is cooled to 15 C. Calculate the new volume of the gas using the ideal gas equation.
The resulting solution required 12.21 mL of 0.1211 M NaOH to back titrate the excess HCl. What was the percent CaCO3 in the unknown? Report your answer to two (2) decimal places
Calculate the entropy change of the surroundings associated with this heat transfer. Assume the weight of an average adult is 80.0 kg.
50.0 mL of a 1.70 M solution is diluted to a volume of 248 mL. A 124-mL portion of that solution is diluted using 185 mL of water. What is the final concentration
Use the van der Waals equation to calculate the pressure, in atm, of 37.83 mol of hydrogen at 113 oC in a 2.7 L container.
Which of the following nuclides have magic numbers of both protons and neutrons: (a) helium-4, (b) oxygen-18, (c) calcium-40, (d) zinc-66, (e) lead-208
Calculate the root mean square velocities of Cl2(g) and O2(g) molecules at 263 K and 505 K.
How many milliliters of 0.100 M NaOH are required to react completely with a sample of the solid carboxylic acid lactic acid, CH3CH(OH)COOH, with a mass of 0.1351 g (molar mass of lactic acid is 90.08 g/mol) The acid is monoprotic, only the last H..
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