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Calculate the mass of nitrogen dissolved at room temperature in an 99.0 {rm L} home aquarium. Assume a total pressure of 1.0 {rm atm} and a mole fraction for nitrogen of 0.78.
The total pressure of a mixture of N2O4 and NO2 is 1.5 atm. If Kp=7.1 (at 25 degrees C) calculate the partial pressure of each gas in the mixture.
A quantity of 18.68 ml of a KOH solution is needed to neutralize 0.4218g of a KHP what is the concentration of the KOH solution
What is a good solvent substitute for ethyl acetate between diethyl ether, octane, octene, octyne, and acetone?
Calculate the molarity of a solution of glycerol made by dissolving 34.000 mL glycerol at 15 C in enough water to make 300.00 mL of solution.
Using the data collected for part B on your data sheet, calculate the molar mass of the unknown acid. Mass of unknown acid is .501g and volume of NaOH used was 17.51mL Unknown acid was dissolved in 50mL of deionized water prior to being diluted wi..
The accepted toxic dose of mercury is 300ug/day there is 180ug of mercury per cubic meter of air. ingestion of 20,000L air per day is she at risk for mercury poisoning?
A balloon was filled to a volume of 2.50 L when the temperature was rm 30.0 C. What would the volume become if the temperature dropped to rm 11.0 0C.
Calculate DG for a voltaic cell with E= +0.24V if the overall reaction involves a 3 electron reduction.
PCBs are transported through the environment in the vapor phase to Lake Superior. Let's assume that the flux to this lake is almost all due to rainfall, which has an average PCB concentration of 30 ng/L. The average depth of Lake Superior is 150 m..
What is the percent ionization of a 0.177 M solution of this acid?
A compound containing only C, H, and O, was extracted from the bark of the sassafras tree. the combustion of 88.5 mg produced 241 mg of CO2 and 49.2 mg of H2O. the molar mass of the compound was 162 g/mol.
A compound has a molar absorptivity of 3.71*10^3 L cm^-1 mol^-1. What concentration of the compound would be required to produce a transmittance
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