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2.50 moles of COBr2 are introduced into a 2.00 liter flask at 0degrees and heated to a temp of 73 degree celcius. At equilibrium, the equilibrium constant is .190. What is the percent disassociation? what is the equilibrium concentration of each species?
Ethyl acetate can be prepared from ethanol as the only organic starting material.
Osmium has a density of 22.6 g/cm3. What volume would be occupied by a 21.8 g sample of osmium?
calculate the micrograms (to the nearest microgram) of iodine per serving in the finished product. Show your work.
Define or give examples for the following terms using words and equations as necessary. If a symbol exists, write it along with metric units (kg, m, s, J, N, kJ, kPa, C, K, kmol, etc.)
Compute ΔHo fusion and ΔSo fusion for this substance If the pressure is increased to 120 bar, the melting temperature increases to 375.88 K..
high boiling point are obtained now you need to identify the limiting reagent and compute the percent yield of nitrobenzene
How many L of N2 gas are produced at STP when the airbag inflates if the airbag contains 132g of sodium nitride?
A sample of a dish from an archaeological dig gave 18 500 disintegrations per gram of carbon per day. A 1.00-g sample of carbon from a modern source gave 22 080 disintegrations per day.
What are most important organelles? Is How does biochemistry describe life processes? there a simple basis for classifying organisms?
What are the molality and mole fraction of solute in a 34.0 percent by mass aqueous solution of formic acid (CH3OH)?
The lethal inhalation dose of sarin for a 200 pound person has been determined to be 0.0015 mg. Determine the LD50 of sarin that researchers used to calculate this lethal inhalation dose.
The specific heat of ethanol is 2.44j/g times degrees celcius. How many kilojoules of energy are required to heat 50.0 g of ethanol from -20.0 degrees celcius to 68.0?
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