Answer to Question #22299 in Other Chemistry for edd
The arrow in a reaction means ? what.
The arrow is the process of the chemical reaction.you put the reactants before the arrow and the products after. the catalysts go above the arrow, the energy gained/loss is under (though not always). It is kind of like the equal sign (=) in math. It says that the reactants on the left side become (that's the key word) the product(s) on the right.
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