Unit 1 Mod 2 Lessons 2-3

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A chemical change occurs when matter changes into other substances with

In a ________________chemical reaction, LESS energy is required on the reactants side than is released on the products side

These describe the number of atoms of an element in a compound

_____________chemical bonds releases energy

In a chemical equation, these are to the right of the arrow

Which scientist discovered the law of conservation of mass?

In a ________________chemical reaction, MORE energy is required on the reactants side than is released on the products side

If Ava dyes a t-shirt, this is a