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What does endothermic mean?
Heat into cold
What does exothermic mean?
Heat out of hear
What is the Conservation of mass?
Elements on the reactants side are also on the solution side.
Open System
Energy and mass can leave and enter
Closed System
Energy can leave and enter
Synthesis
A+B>AB
Decomposition
AB>A+B
Single Replacement
AB+C>AC+B
Double Replacement
AB+CD>AC+BD
6 chemical reaction hints
Fizz, aroma, color change, temp change, precipitates
