chemical reactions
alumno.silvia.carrac
Created on May 11, 2021
y solo mio no lo toqueis
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Transcript
What changes do chemical reactions produce?
Chemical Reactions
It's a solid that can be formed when we combine liquids.
precipitate formation:
Some chemical reactions produce gas. You can feel it through bubbles, smoke, an odour
gas formation:
When the product has a different colour than the original reactans
COLOUR CHANGE:
- exothermic reactions produce energy
- endothermic reactions absorb energy
Some chemical reactions produce or absorb energy (thermal/light energy)
ENERGY CHANGE: