brynhastbrook brynhastbrook

04-10-2016
Physics

Answered

What's the difference between a physical and chemical change and how do you know which is happened ?

Verified Answer :

Mkayla25 Mkayla25

04-10-2016

A physical change in a substance doesn't change what the substance is. In a chemical change where there is a chemical reaction, a new substance is formed and energy is either given off or absorbed.

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