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Compute the Ozone concentration in 6 km height at 260 K as well as 600mb from the precursors NO and NOx. The mixing ratio of NO is 55pptv as well as of NO2 is 48 pptv. The photolysis rate is 0.005 s-1 and the reaction rate coefficient for O3 + NO is 1E-14 cm3 molecule-1s-1.First state the chemical reactions which can occur in the background troposphere. Then compute the concentration of ozone and give its mixing ratio at this height.
consider the adiabatic expansion of 0.500 mol of an ideal monatomicgas with cvm 32r. the initial state is described by
what is the max amount of fructose that can be added to 1.5 kg pure water and still have the solution freeze?
The molar enthapy of fusion for water is 6.008 kJ/mol. calculate the molar enthapy of vaporization of a substance if 0.652 mol of the substance absorbes 6.411 kJ when it melts.
A gaseous mixture of NO2 and N2O4 is in equilibrium. If the concentration of NO2 is 8.1*10-4 M what is the concentration of N2O4
The absorbance of monensin, a UV-absorbing compound, is used to measure its concentration in a pharmaceutical preparation. Calculate concentration, and the uncertainty in concentration.
Write the structure for the quinoxaline derivative obtained when benzil is the reactant. Do you think this compound would be coloured? If so, why?
A certain substance has a heat of vaporization of 52.17 kJ/mol. At what Kelvin temperature will the vapor pressure be 4.00 times higher than it was at 291 K
solution were added to 12.00 mL of an aqueous 0.025 M Fe3+ solution. The total volume of the solution is 20.75 mL. What is the initial diluted Fe3+ concentration?
Calculate boiling point of a solution of 500.0 g of ethylene glycol dissolved in 500.0 g of water. kf = 1.86 c/m and kb = 0.512 c/m. Use 100 degrees celsius as the boiling point of water.
a rod is originally 1 ft. long has a diameter of 0.5 inches and is subjected to a force of 500 lb. when the force is
The temperature of a 15g sample of lead metal increases from 22oC to 37oC upon the addition of 29.0 J of heat. The specific heat capactiy of the lead is jg*K
express the work of isothermal reversible expansion of a van der waals gas in reduced variables and find a definition of reduced work that makes the overall expression independent of the identity of the gas.
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