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One mole of an ideal gas with Cv,m = 3R/2 initially at 325 K and 1.50x10 to the 5 Pa undergoes a reversible adiabatic compression. At the end of the process, the pressure is 2.50x10 to the 6 Pa. Calculate the final temperature of the gas. Calculate q, w, deltaU, and deltaH for this process.
A compound called pyrene has the empirical formula C8H5 . When 4.04 g of pyrene is dissolved in 10.00 g of benzene, the boiling point of the solution is 85.1°C.
Aldol condensation: why must aldehyde contain none of corresponding acid? In the aldol condensation with benzaldehyde + acetone (NaOH, ethanol) --> dibenzalacetone
There are two key concepts to keep in mind throughout the exercises: 1) What is the unit cell for each structure? 2) What are the coordination environments of the atoms involved?
Chloral hydrate, a sedative, contains C 14.52%, H 1.83%, Cl 64.30%, and O 19.35%. If it has a molar mass of 165.42 g, what is the molecular formula of chloral hydrate?
what is the major type of force that must be overcome to allow each of process below
Determine the molarity of Ni in the 20.0 mL solution. Determine the mass in grams of Ni in the original sample. Determine the weight percent of Ni in the sample.
Describe how to prepare 50.0mL of 5.30 x10-2 M solution from pure drug and water.
Water (2290 ) is heated until it just begins to boil. If the water absorbs 5.43×105 of heat in the process, what was the initial temperature of the water?
Adipic acid with two molecules of ethylamine, Write an equation for the formation of the salt that could be formed by reaction of one molecule of adipic acid
Designing and preparing aqueous buffer solution with the pH indicated.
Write the structural formula of a compound with an unbranched chain of five carbon atoms that is an alkanal, Consider E/Z stereochemistry of alkenes. Do not show stereochemistry in other cases.
a gas sample has a volume of .150 L at a temperature of 256 K. What volume will the gas occupy at 288K?
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