Replying to Physical Science help
c'mon i seriously cant figure any of this stuff out. Any help is greatly apreciated.
1. Chromium is produced by reacting it oxide with aluminum.If 76g of Cr2O3 and 27g of Al react to form51g of Al2O3,how many grams of Cr are formed?
2. Propane ,C3H8(g)burns in oxygen to form carbon dioxide and water vapor. Write a balanced equationfor buring propane.
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