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A certain anesthetic contains 64.9 percent Carbon 13.5 percent Hydrogen and 21.6 Oxygen by mass. Determine the molecular formula of the compound at 120 0C and 750 mmHg, 1 Litre of the gaseous compound weighs 2.3 grams.
Determine the percent yield if a student decomposes H2O to Form hydrogen (H) and oxygen(O). If the student starts with 34.7 grams of H2O and collects 20.0 grams of oxygen,
One method used to store energy during times of low demand is by pumping water uphill into a reservoir. When energy demand exceeds the output produced by power plants
The vapor pressure of benzene (C6H6) is 120 torr at 27.0C, and its normal boiling point is 80.1C. What is the molar heat of vaporization of benzene.
Standard reduction potentials are given on the next page. (a) Draw a diagram of the electrochemical cell, labeling all electrodes and solutions. (b) What is the pH in the Pt | H+ | H2 half-cell? (c) What is the value of the equilibrium constant fo..
How many grams of silica were in a 6.00 grams sample, if it took 34.1 mL of 0.95 M HCl to react with all of calcium carbonate
Given the values of DHfo in kJ/mol and So in J/mol K given below, calculate the value of DGo in kJ for the reaction at 298 K
If 29.58 mL of 0.550 M NaOH is required to titrate the oxalic acid in the 0.554g sample to the equivalence point, what is the weight percent of oxalic acid in the mixture. Oxalic acid and NaOH react according to the equation H2C2O4 (aq) + 2 NaOH(a..
when 0.800 grams of NaOH is dissolved in 100.0 grams of water, the temperature of the solution increases from 25.00 degree to 27.06 degree .
calculate the mass of nitrogen dissolved at room temperature in an 77.0 home aquarium. assume a total pressure of 1.0
How many grams of CuSO4 5H2O are needed to prepare 100 ml of a .15 m solution CuSO4
What steps would you take to separate the following four organic compounds using an acid/base solvent extraction? Compounds: m-anisic acid, p-toluidine, thymol, indane
A gas occupies 5.38 L when the temperature is 45.0oC and at 1.00 atm of pressure. What temperature change (in K) will be needed to change the volume to 6.30 L at constant pressure
A certain substance has a heat of vaporization of 69.66 kJ/mol. At what Kelvin temperature will the vapor pressure be 4.50 times higher than
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