What is the mass in grams of 3.5 mol of the element gold, au?
explain how to do it, i am you(:

As a part of an experiment a student burns propane to produce carbon dioxide and water she remembers that she must follow the law conservation of matter when writing a balanced chemical equation which of these equation adheres to the law of conservation of matter

What three things determine the shape and size of a puddle when water is poured out onto a surface

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form