If 6.12 g of element X reacts with 16.8 g of element Y to form the compound XY, what mass of X is required to react with 5.80 g of element Y?

What are the primary responsibilities of a chemical engineer involved in "r& d"? develop large scale manufacturing operations discover new products and processes training of new chemists determine products needed by consumers

When would a bouncy ball have the most potential energy

Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.