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What is the word equation for burning petrol in an engine?

Here's the word equation for burning petrol (octane) in an engine:

Octane + Oxygen → Carbon Dioxide + Water + Energy

Let's break it down:

* Octane (C₈H₁₈): The main component of petrol.

* Oxygen (O₂): The reactant that allows combustion to occur.

* Carbon Dioxide (CO₂): A primary product of the reaction.

* Water (H₂O): Another product of the reaction.

* Energy: The released energy powers the engine.

Important Note: This is a simplified representation. The actual combustion of petrol is a complex process involving various intermediate reactions and byproducts.