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A compund contains carbon hydrogen and chlorine. combustion of 15.800 grams of this compound produces 30.063 grams of co2 and 13.836 grams of water. determine both the empirical and molecular formula of the compound.
A 1.992g sample of octane, C8H18, is burned in a calorimeter that has a calorimeter constant of 144 J/celcius and contains 750.0g of water. the temperature of the water rose from 14.73 celcius to 42.78 celcius. Determine the enthalpy of combustion..
Using the van der Waal constants for methane in table 1.3 (a=2.283, b=0.04278) to calculate the initial slopes of the plots of the compressibility factor
What is the molar solubility of the insoluble sulfate salt of tungsten(VI) in a 0.99 M Na2SO4 solution, if the Ksp value is 7.57×10-14. Recall that the molar solubility is the moles of salt per liter of solution.
What mass of silver bromide will form when 25.00 mL of a 0.0675 M MgBr2 solution is combined with 30.00 mL of 0.100M AgNO3
An electrochemical cell has an Eocell of 1.70 V and transfers 2 moles of electrons. The Faraday constant is 96,485 C/mol e-. What is the value of delta G
Molecular chlorine, Cl2, is a green gas. Sketch a few of the rotational, vibrational, and electronic energy levels of Cl2 on the same diagram to relative scale.
a 1.0 ounce piece of chocolate contains 15 rm mg of caffeine and a 6.0 ounce cup of regular coffee contains 105 rm mg
Which quantity has the greatest mass. 2.0 mol of Na, 2. 0 mol of Na2O, 2.0 mol of NaCl, 2.0 mol of O2
The bonding in benzene differs from that of other unsaturated hydrocarbons in that each carbon atom participates in: a. one single bond and on delocalized bond
Hydrofluoric acid dissociates in water as represented by the above equation With Ka = 7.2 * 10^-4
Draw all of the carbocation resonance structures that result when the tosylate ion leaves from 1-(tosylmethyl)cyclohexa-1,3-diene. Input the radical lone electrons.
What is the total combined mass of carbon dioxide and water that is produced when an automobile gasoline tank holds 20 of gasoline. When the gasoline burns, 85 of oxygen is consumed and carbon dioxide and water are produced?
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