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Meteorologists historically reported pressures in mmHg or inches of water. Explain what is the pressure in atm and in pascals, if the pressure in a lower pressure system is 722 mmHg?
consider the hydrogenation of benzene to form cyclohexane c6h6l 3h2g--gtc6h12ldelta h for combustion to co2g andor
A 1.30 g sample of dry ice is added to a 745 mL flask containing nitrogen gas at a temperature of 25.0 degrees Celcius and a pressure of 715 mmHg.
A rock from Australia was found to contain 0.438 g of Pb-206 to every 1.00 g of U-238. Assuming that the rock did not contain any Pb-206 at the time of its formation how old is the rock
Determine the reaction of 1-cyclobutylethanol 1-hydroxyethylcyclobutane with concentrated H2SO4 at 120 degrees C. State structures of all reasonable organic products. Presuming that methylcyclopentene is one product, State a mechanism that account..
Calculate the concentration of an aqueous solution of Ca(OH2)that has a pH of 12.57? Express your answer using two significant figures.
Draw structural and line-bond formulas for all the structural isomers with the formula C4H9Cl. Determine the polarity of each, showing partial changes and the overall direction of the net dipole where applicable.
after analysing a reaction mixture itnbsp showed that it contained the compositionnbsp ofnbsp 0.545 moll h2 0.416 moll
what is the molarity of a solution made by dissolving 0.0815 grams of na2so4 in enough water to form exactly 750. ml of
Vapor pressure of water at 25 deg C is 24 mmHG and that of pure methanol is 120 mmHG. What is the vapor pressure above the solution of methanol and water at 25 deg C. What is the mole fraction of methanol in the vapor above this solution. 32 g of ..
What is the band gap energy in kilojoules per mole if bule diamonds absorb orange light with a wavelength of 675nm
For the structural stone marble, the specific heat is 0.858 J/g*degrees C. How much heat is absorbed by a 35 g sample of marble if its temperature is raised from 27 degrees C to 55 degrees C
determine the freezing point of a solution which contains 0.31 mol of sucrose in 175 g of water. kf
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