Question

Why are Physical changes Not represented by Equations

Answer 1

Because w chemical reaction does not occur. Nothing happens to the molecules only the state of matter changes. For example, crushing a can. This would be a physical chance but nothing on the molecular level changed.

Answer 2

Physical changes are not represented by equations because it does not involve rearrangement of atoms.

WHAT IS A PHYSICAL CHANGE:

• A physical change is a change that does not involve formation of new substances.

• Since no new substances are formed, this means that the atoms of the substance is not broken or rearranged.

• Unlike chemical changes, physical changes involves a change in state of matter.

Therefore, physical changes are not represented by equations because it does not involve rearrangement of atoms.

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