The difference between a molecule and a compound is that a compound is made up of atoms from .
A chemical change creates a new .
What are some indicators that a chemical reaction is occurring? Check all that apply.the formation of bubblesa change in sizea change in colorthe formation of a liquidthe formation of a precipitate
In an exothermic reaction, energy is the surroundings.
In an endothermic reaction, energy is the surroundings.
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