Calculate the mass of water produced when 2.06 g of butane reacts with excess oxygen.

One of the reactions in a blast furnace used to reduce iron is shown above. how many grams of fe2o3 are required to produce 15.5 g of fe if the reaction occurs in the presence of excess co? a.11.1 g b.22.1 g c.30.0 g d.44.2 g

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

Which substance is a steroid? cholesterol fatty acid monosaccharide trans fat