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Consider a rigid, insulated box containing 0.400 mol of He(g) at 30.0°C and 1.00 atm in one compartment and 0.600 mol of N2(g) at 100.0°C and 2.00 atm in the other compartment. These compartments are connected by a partition that transmits heat. What is the final temperature in the box at thermal equilibrium? [For He(g), Cv = 12.5 J K-1 mol-1; for N2(g), Cv = 20.7 J K-1 mol-1.]
An organic compound was prepared and purified by chromatography. A conductivity measurement showed the compound to be a nonelectrolyte
Every measurement has a measurement uncertainty. Discuss how precise and accurate measurement can be achieved in spite of the inherent measurement uncertainty.
aswer the questions1. use a spreadsheet to make an xy scatter plot label the axes and give it a title.2. use a
A rigid tank contains 1.50 moles of an ideal gas. Determine the number of moles of gas that nust be withdrawn from the tank to lower the pressure of gas from 25atm to 35 atm.
This is a second order reaction, first order with respect the NSA and first order with respect to hydroxide ion. Use the data below to calculate the rate constant
A Si wafer is treated in phosphorus vapor at 1000o C so that the phosphorus concentration at the surface is kept at the solubility limit of 1021/cm3.
Titration of the lead and zinc in this aliquot required 34.06 mL of the EDTA solution. Finally, cyanide was used to mask the copper and the zinc in a 25.00 mL aliquot. Titration of the lead required 26.68 mL of the EDTA solution. Determine the com..
At 25°C the heat of fusion of aluminum is 10.6 kJ/mol and the heat of sublimation is 326.4 kJ/mol. What is the heat of vaporization of aluminum at 25°C?
What maximum mass in kilograms of carbon dioxide is produced by the complete combustion of 10.0kg of this fuel mixture?
Write a reaction mechanism for the reaction of 1-chloropentane with NaHS using dimethylformamide as the solvent. Draw the structure of the reaction intermediate clearly showing its geometry.
Explain the difference between the Bohr model for the hydrogen atom and the quantum-mechanical model.
What would be the value of the change in concentration of C10H12/change in time during the same period of time? Explain why a catalyst for a forward reaction must also be a catalyst for the reverse reaction. Include an energy level diagram
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