What do you read the arrow in a chemical equation as meaning?
The arrow represents a chemical or physical transformation.
We use the
we would assume that 1 mole of A combines chemically with 1 mole of B to give 1 mole of C product. We could equally use the right arrow to represent a physical transformation: e.g. ice to water to steam.
On the other hand, we could also represent an equilibrium reaction, i.e.
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