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In a study 0.8180 g of ferric oxide is reacted with 0.5969g of carbon monoxide gas according to the equationFe2O3 + CO ==> Fe + CO2.
A. Define what is the limiting reactant?B. Define what mass of the other reactant is in excess?C. Define what mass of iron is produced?
A spherical water tank of radius R=4m is emptied through a small circular hole of radius r=.02m at the bottom. The top of the tank is open to the atmosphere. The instaneous water level h in the tank can be determined from the solution of the follo..
What was the molar solubility of CaCO3 in this solution (Kb1(CO32-) = 1.8 × 10-4)
calculate the minimum number of grams of propane that must be combusted to provide the energy necessary to convert
For the reaction 3C2H2(g)---> C6H6(l) at 25 C the standard enthalpy change is -631 kj and the standard entropy change is -430 J/K. Calculate the standard free energy change at 25 C
Nitrogen and Oxygen form an extensive series of oxides of general formual NxOy; at least 7 are known. One of them is a blue solid that comes apart reversibly in the gas phase. It contains 36.84% N and the rest is Oxygen. What is the empirical form..
Sodium borohydride to 9-fluorenone that you used in the experiment (we used 100 mg of 9-fluorenone and 10 mg sodium borohydride). why is it necessary to use a greater molar ratio than theoretical
Isopropyl alcohol, a substance sold as rubbing alcohol, is composed of C, H, and O. Combustion of 0.255 g of isopropyl alcohol produces 0.561 g of CO2 and 0.306 g of H2O. Determine the empirical formula of isopropyl alcohol.
What product do you get from the ozonolysis of 1,4-dimethylcyclohexene in the presence of Zn
The heat of formation of Al2O3(s) is -1669 kJ/mol. Calculate the heat evolved when .267 g of Al burns in oxygen.
If you were cooking food in boiling water on the stove, could you increase the speed of cooking by increasing the heat. Why or why not. What is effect does adding salt to water have on the boiling point. Explain
Which of the following is not the correct chemical formula for the compound named?
What is the molarity of a solution that contains 60.0 of vitamin B1 hydrochloride (molar mass = 337 ) in 180 of solution?
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