Sodium metal reacts explosively with water. A piece of sodium will react faster if it has more surface area. Explain how breaking up a piece of sodium into smaller pieces will affect how fast it reacts.
Question
Sodium metal reacts explosively with water. A piece of sodium will react faster if it has more surface area. Explain how breaking up a piece of sodium into smaller pieces will affect how fast it reacts.
Solution
The rate of a chemical reaction is often determined by its surface area. This is because the more surface area a substance has, the more opportunities there are for the reactant molecules to collide with it and react.
In the case of sodium reacting with water, if the sodium is broken up into smaller pieces, its total surface area increases. This means there are more areas for the water molecules to come into contact with the sodium, leading to more collisions.
As a result, the reaction between sodium and water will occur more quickly because there are more opportunities for the necessary collisions to take place. This is why a piece of sodium will react faster with water if it is broken up into smaller pieces.
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