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reversible reactions reach equilibrium, provided they occur in a closed container (closed system) that cannot be influenced by external factors.
a bond formed when non-metal atoms share a pair of valence electrons to form a molecule.
the transfer of heat or energy from areas of higher temperatures to areas of lower temperatures...
a reaction in which more energy or heat is released than absorbed when the reaction takes...
shows the structure of the molecule but not all the bonds between every atom.