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One gram of pulverized wood burns faster than one gram piece of wood.

The rate of reaction depend upon the surface are a of reacting species. Pulverized wood has greater surface area as compared to one gram of piece of wood so it comes in contact with oxygen to much more extent and get burnt much faster.

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How can the rate of a fast reaction be determined by Flash Photolysis?

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The action of a solid phase catalyst to increase the rate of unimolecular gas—phase decomposition reaction.

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The increased speed of a simple bimolecular change when temperature of the reaction mixture is increased.

How does temperature affect the rate of a reaction? Is there a corresponding equal decrease in number of collisions among molecules of a gaseous reaction? How is this effect explained by the concept of activation energy?

Chemical Kinetics

Suggest explainations for:One gram of pulverized wood burns faster than one gram piece of wood.

Suggest explainations for:
One gram of pulverized wood burns faster than one gram piece of wood.