How many moles of H2O are produced when 4.19 grams of C4H10 reacts? and
How many moles of O2 are needed to produce 4.60 grams of H2O?

Matches the chemical name of each oxide of phosphorus to its chemical formula

Liquid from a brewery fermentation contains 10% ethanol and 90% water. part of the fermentation product (50,000 kg/h) is pumped to a distillation column on the factory site. under current operating conditions, a distillate of 45% ethanol and 55% water is produced from the top of the column at a rate of one-tenth that of the feed. what is the composition of the waste "bottoms" from the still?

How many liters of water can be produced from 5.0liters of butane gas at stp, assuming excess oxygen? c4h10(g) + 02(g) → co2 (e) + h2o (g)