Identify the number of atoms on the reactant side of the chemical equation. Fe2O3 + 3H2 → 2Fe + 3H2O

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Explanation:

And instead of use the arrow use a equal sign

the transfer of energy between two molecules spaced just nanometers apart plays a key role in many technologies, including photovoltaics, quantum information systems, lighting, and sensors, as well as in biophysics to measure nanometer distances and in photosynthesis. but an open question in this area is what effect, if any, the surrounding photonic environment has on this nanoscale energy transfer. by designing and performing a carefully controlled experiment to answer this question, scientists have settled the debate and found clues to improving the efficiency of many of the technologies that rely on this process.

explanation:

im not in connections yet but i might can you some questions. what grade are you in?