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In my organic chemistry class we were asked a question to use this theory to account for bond lengths between ethane, ethene, and ethyne. I was wondering what this theory actually was about.
(a) Calculate the standard molar enthalpy change (deltaHrxn°) at 400 K (not 298 K) for the following reaction (the cyclotrimerization of ethyne to benzene)
A solution is prepared by adding 80.0 mL of 0.090 M HBr to 130.0 mL of 0.50 M HI. Calculate the concentrations of all species in this solution. HBr and HI are both considered strong acids.
A solid block of exactky 100.0 cm 3 has a mass of 153.6g. Determine its density. Will the block sink or float on water?
A professional emergency responder should be concerned about the following routes of radiation exposure for a person on scene and a person downtown?
Calculate the vapor pressure of water above a solution prepared by dissolving 26.9 g of glycerin (C3H8O3) in 183 g of water at 343 K. Vapor Pressure (torr) at 343 (or 70) is 233.7 torr
Calculate [Cr^3+] in eequilibrium with Cr(OH)4- when 0.010 mol of Cr(NO3)3 is dissolved in a liter of solution buffered at pH 10.0
As a chemist for an agricultural products company, you just developed a new herbicide,Herbigon, that you think can kill weeds effectively. A sparingly soluble salt,
Draw the following molecule and its ring flipped conformer in the chair conformation on a sheet of paper: trans-1-chloro-2-methylcyclohexane
What is the partial pressure of H2O in the compressed gas mixture? (See this table.) torr (b) What mass of water vapor condenses to liquid g
Calculate the expansion work done against a constant external pressure of 0.999 atm and at a constant temperature of 24°C. Assume that the initial volume of dry ice is negligible and that CO2 behaves like an ideal gas.
The mass of 322 mL of hydrogen gas at 4.0 atm and -73°C is 1.21 grams. What is the density of hydrogen gas at STP?
Assume an organic compound has a partition coefficient between water and diethyl ether equal to 9.00. If there are initially 5.00 grams of the compound dissolved in 100.0 mL of water,
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