Dissolve substances in water is:
A) physical process
B) chemical process

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.

How many moles of oxygen gas are produced from the decomposition of six moles of potassium chlorate

What is the mass of oxygen gas is consumed in a reaction that produces 4.60mol so2