'These can be almost instant, like an explosion, or very slow, like the corrosion of copper'
a reaction
CHEM CLASS: These can be almost instant, like an explosion, or very slow, like the corrosion of copper
These can be almost instant, like an explosion, or very slow, like the corrosion of copper
These can be almost instant, like an explosion, or very slow, like the corrosion of copper
CHEM CLASS
a reaction
CHEM CLASS