ELI5: Explain Like I'm 5

Heat of combustion

Okay kiddo, let's talk about the heat of combustion. Have you ever played with fire and seen how it produces heat? Well, when we burn something, like wood or gasoline, it releases a lot of heat, and that heat is called the heat of combustion.

You know how we need energy to do work or play games? Well, everything we burn has energy stored in it, and when we burn it, we release that energy in the form of heat.

Let's say we have a piece of wood. It's made of tiny things called molecules, and these molecules have energy stored inside them. When we burn the wood, we break apart the molecules, and that releases the energy as heat.

Now, every type of fuel (like wood, gasoline, or natural gas) has a different amount of energy stored inside its molecules. Scientists measure this energy by something called the heat of combustion. It's like a measuring stick that tells us how much energy we can get from burning a certain amount of fuel.

So, when we talk about the heat of combustion, we're really just talking about how much heat we can get by burning a certain amount of something. It's like knowing how many cookies you can make with a certain amount of flour.

And that's it, kiddo! Now you know what the heat of combustion is and how it helps us understand how much heat we can get from burning different things.