Radioactive is the most penetrating nuclear radiation
44g of CO2 can produce by the reaction of carbon with oxygen
Whether water is frozen, in a gaseous state, or is a liquid, it is still H2O. So the chemical composition does stay the same.
Answer: When a substance is pure, it is composed of one type of molecule. For example, table salt is only composed of (more or less) salt molecules, while seawater has water and salt molecules. A more complicated example of a non - pure substance is soil. It has many different types of nutrients and compounds.
They will be stay the same all the way through. your product must be the same mass
