human
What do the symbols -->, Δ, (s), (l), (g), and (aq) represent in chemical equations?
gpt
--> = reaction arrow, Δ = heat (written over the arrow), (s) = solid, (l) = liquid, (g) = gas, (aq) = aqueous solution (reactant dissolved in water).
Explanation: These symbols are used to provide information about the state of matter and energy changes occurring during a chemical reaction.