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An unknown compound contains only carbon, hydrogen, and oxygen. Combustion of 3.50 g of this compound produced 5.13 g of carbon dioxide and 2.10 g of water.
How many mole of Hydrogen, were in the original sample
Iron metal is coated wih nickel. Which of metals will undergo corrosion when coating is damaged? Give the scheme of electrochemical corrosion and write equations for the reactions
How grams of potassium permanganate are need to decolorize one gram of 2-pentene in basic solution.
the mechanism to convert 9-fluorenol to 9-methoxy fluorene using a nucleophilic substitution reaction with H2SO4 and methanol.
How much heat energy, is needed to convert 64.0 grams of ice at -18.0 degrees celcius to H2O at the temperature of 25.0 degrees celcius? Express your answers in kilojoules
You are told that K=3.76x10^-5 for I2(g)=2I(g) at 1000K. You begin an experiment by injecting 1.00 mole of I2 into a 2.00 liter box at 1000K. When the system comes to equilibrium, what will be the concentration of I2 and I in the system at equilib..
Explain vanderwalls attraction. What way it affects the physical properties of non-polar molecules
Propose a mechanism for the synthesis of 3-nitrophthalhydrazide from 3-nitrophthalic acid
Calculate the number of grams of solute that would be needed to make each of the following solutions
Nitroglycerine decomposes violently according to the unbalanced chemical equation below. What mass of nitrogen gas is produced from the decomposition of 0.300 mol C3H5(NO3)3. C3H5(NO3)3(l) ? CO2(g) + N2(g) + H2O(g) + O2(g)
Why does the nitrogen atom of NH2 (and not the nitrogen atom of the NH) group of phenyl hydrazine act as the nucleophilic site in the format ion of the phenylhydrazones.
What happens to some solute during crystallization when too much solvent is evaporated and what do you do
A 4.305-gram sample of a nonelectrolyte is dissolved in 105 grams of water. The solution freezes at -1.23°C. Calculate the molecular weight of the solute. Kf for water = 1.86°C/m.
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