Calculate the number of grams of aluminum
Chromium metal can be produced from the high temperature reaction of Cr2O3 with silicon by the following reaction:
Cr2O3(s) + 2Al(l) --> 2Cr(l) + Al2O3(s)
Calculate the number of grams of aluminum required to prepare 500.0g of chromium metal.
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The Temperature of the gas was 291.2799 K before expansion and 293.9809 K afterwards. What is the change in Enthalpy with respect to pressure at constant temperature,(δH/δp)T for this gas in J/atm?
The capital structure for the firm will be maintained and is now 10% preferred stock, 30% debt, and 60% new common stock. No retained earnings are available.The marginal tax rate for the firm is 40%.
When formic acid is heated it decomposes to hydrogen and carbon dioxide in a first order decay calculate the partial pressure of formic acid if the intial pressure at time 0 equal 220 torr
There are 2.2 mg of lead in exactly 500 g of a water sample. What would the concentration of lead be in parts per million?
A solution was prepared by mixing 50.00 mL of 0.190 M HNO3 and 124.00 mL of 0.150 M HNO3. Calculate the molarity of the final solution of nitric acid.
When the bag was removed, the ice had melted and the liquid water had a temperature of 17.0 deg C. How many kilojoules of heat were absorbed?
Calculate the minimum volume in litres of aqueous sodium hypochlorite solution 12.5%, 12.5g/100ml that would be needed to convert all of the cyanide residues in a gold mine's oxidation pond into the safer cyanate form.
calculate the molecular mass of a solute with 8.02 grams of solute in 861 grams of water lower the freezing point to -.430 degree Celsius.
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