NH3(g)=>N2(g)+H2(g) The reaction for the decompostion of ammonia (NH3) can be written as shown. If a student starts with 21.7 g of ammonia, how many grams of hydrogen gas (H2) will be produced by the reaction?

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?