Drag the tiles to the correct boxes to complete the pairs. match the chemical name of each oxide of phosphorus to its chemical formula. phosphorus monoxide p4o7 diphosphorus tetroxide p2o5 tetraphosphorus heptoxide p2o4 diphosphorus pentoxide po arrowboth arrowboth arrowboth arrowboth

Write two balanced equations 1. dissolving of solid sodium hydroxide in water 2. the reaction of sodium hydroxide solution with hydrochloric acid

Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?

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?