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2. What is the role of activation energy in a chemical reaction? Using your understanding of activation energy, explain why a piece of paper sitting in a 70° F room does not ignite/burn/react even though there is plenty of oxygen to go around (the cellulose of paper can react with oxygen to form carbon dioxide and water).

HELP ASAP 2 What Is The Role Of Activation Energy In A Chemical Reaction Using Your Understanding Of Activation Energy Explain Why A Piece Of Paper Sitting In A class=

Sagot :

Activation energy is required so reactants can move together, overcome forces of repulsion, and start breaking bonds.

What is activation energy?

The minimum amount of energy that is needed to activate atoms or molecules to a condition in which they can undergo a chemical transformation or physical transport.

The activation energy of this chemical reaction is high that it will not start at room temperature. This is why a source of heat is required to start the fire: the “energy barrier” must be overcome before the reaction can proceed further.

In any chemical reaction, existing chemical bonds should be broken before new bonds formation. The breaking of chemical bonds requires an input of energy. In some reactions, the thermal energy at room temperature is enough to break the bonds.

In other cases, the thermal energy at room temperature does NOT give enough energy to break the needed bonds (by facilitating sufficiently energetic molecular collisions) to get the reaction started.

Learn more about activation energy here:

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