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A mixture consisting of 7.0g CO and 10.0g SO2, two atmospheric pollutants, has a pressure of 0.33 atm when placed in a sealed container.What is the partial pressure of the CO?
Calculating the Moles of Aspirin, The molecular formula for aspirin is HC9H7O4, Calculate the molecular weight for aspirin
Calculate teh energy absorbed in (kJ/mol) by a carbon dioxdie molecule that has absorbed a single photon of Thermal IR light having wavelength of 15 micrometers.
A container is filled with CO2(g) and heated to 1000K. The gas pressure at this temperature is 0.50 atm. Graphite (C) is then added to the container and some of the CO2 is converted to CO according to the reaction below
An automobile gasoline tank holds 43 of gasoline. When the gasoline burns, 151 of oxygen are consumed and carbon dioxide and water are produced. What is the total combined mass of carbon dioxide and water that is produced?
A solution is prepared from 4.5729g of magnesium chloride and 43.244g of water. The vapor pressure of water above this solution is found to be 0.3628atm at 348.0 K. The vapor pressure of pure water at this temperature is 0.3804 atm.
Determine the expression for the rate of reaction with respect to each of the reactants and products
What mass of sucrose should be combined with 483 of water to make a solution with an osmotic pressure of 8.50 at 320 ? (Assume the density of the solution to be equal to the density of the solvent.)
why is a stemless funnel recommended for filtration of the hot saturated solution? 2. in your buchner funnel, can you use filter paper that is to big for the funnel and curls up around the edges? why?
Using the Henderson-Hasselbach equation, calculate the volume of 0.10 M Na2HPO4 and 0.10 M NaH2PO4 that would be required to make 100.0 mL of a 0.10 M (total phosphate concentration i.e. HPO4 + H2PO4) buffer with a pH of 6.91.
The volume of a gas dropped from 300 ml to 280 ml when the original pressure of 200 torr was increased. what was the new pressure in kpa if the temperature is held constant
Calculate the mass percent of a solution that is prepared by adding 35.9 gram of NaOH to 30.2 g of H2O.
the temperature of the surrounding remains essentially constant during the process. Calculate deltaSsystem, deltaSsurroundings and deltaStotal.
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