A word written over the arrow in a chemical reaction equation indicates(1 point)

Question

Responses

That the substance provides heat for the reaction
That the substance provides heat for the reaction

That the substance provides energy for the reaction
That the substance provides energy for the reaction

That the substance is a product of the reaction
That the substance is a product of the reaction

That the substance is a reactant of the reaction

Answer 1

In a chemical reaction equation, a word written over the arrow indicates:

That the substance provides energy for the reaction.

This typically refers to a catalyst or additional energy source required for the reaction to proceed.