signs of a chemical reaction occurring include:
-formation of a gas (bubbles)
-change in color
-transfer of energy (change in temperature, giving off light)
-formation of a precipitate (if a solid forms out of solution)
Chemical change. References: Intro to Matter book.
You know a chemical change happened if: -A change in color -Formation of a precipate (a solid) -Formation of a gas
Well, grilling the bread is a chemical change, but the melting cheese I believe is a physical change.
Human growth is a chemical change because the organs inside your body react with a substance (I don't know what substance, but I know it reacts with somthing in your body) in your body
i want to know the answer.............................................................................................................................................................................. .................................................................................................................................. ................................................................................................................................................ .................................................................................................................................................... ................................................................................................................................. ...................................................................................................................................... but I don't!
Chemical change. References: Intro to Matter book.
Can you reverse the change?
Fire is a chemical change in and of itself. The smoke is a product of that change.
Its a chemical change because its changing what it is (from dough to bread)
Does anyone know
dont know your out of luck
You know a chemical change happened if: -A change in color -Formation of a precipate (a solid) -Formation of a gas
don't know..... personally i think it is because it is a change and a change is a chemical reactions
It's a chemical change. A chemical change is any change that causes a substance to change into another substance. A sign to know whether it's a chemical change or not, are the changes in odor. When something decays the change in smell is very powerful. Therefore, it is a chemical change.
Well, grilling the bread is a chemical change, but the melting cheese I believe is a physical change.
chemical
Burning is a chemical reaction, an oxydation.