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I was reading a forward reaction and it had a small Fe above the arrow? What does that mean? Is the reaction dissolved in Fe? Or the reaction is caused by adding Fe? Is Fe the catalyst for the reaction?
I think catalysts are written above the arrow because they aren't taking part in the reaction but they are still present. So in this case, Fe would be the catalyst if I'm not wrong.
Catalysts are written above the arrow if one is present, since they do not contribute to the reaction as either a reactant or a product, but are still important to the reaction nonetheless by providing the right conditions for the reaction of occur. The catalysts are not used up after the reaction takes place so they cannot be considered a reactant, nor are they a product.
Yes, I would also assume that the elements above are catalysts of the reaction. They likely affect the reactants in a way that allows the chemical reaction to occur while not being consumed by the reaction.
Yes, catalysts are written above the arrow since it is neither a reactant or product. They help speed up a reaction without being used up or produced.
These are catalysts, which are need for the reaction to proceed but aren't consumed. Sometimes, you'll see a capital delta symbol, which means that heat is being infused to make that reaction go forward.
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