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change in temperature, change in color,

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Rubye Mante

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3y ago

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What is the observable change for burning a log?

The observable change for burning a log is the production of heat, light, and smoke.


What is the observable change of burning a log?

Burning a log results in the release of heat and light energy, as well as the production of ash and smoke. This process is a chemical reaction where the wood combines with oxygen to form carbon dioxide and water vapor.


What observable changes happens while burning a log?

While burning a log, you will observe flames and smoke as the wood undergoes combustion. The log will gradually reduce in size as it releases heat and light energy. Eventually, you will be left with charred ash and embers.


What observable changes are in burning a log?

All its substance goes gone it turns to ashes so it's not wood anymore and it becomes Chemical Change


What is an observable change for burning alive?

The temperate


Is a burning log a mixture?

A log is a mixture regardless of whether it is burning.


Which is not a physical change hitting a log with an axe cutting a log burning a log or hammering a spike through a log?

Burning the log is a chemical change. All of the others are physical changes.


Is burning log chemical change?

Yes.


What observable changes are there in a burning log?

During the burning of a log, you can observe flames, smoke, and glowing embers. As the log burns, it will shrink in size and eventually turn into ash. The color of the flames and the intensity of the heat can vary depending on the type of wood and the conditions of the fire.


What are observable changes with burning a log?

When a log is burned, observable changes include the transformation of the log's solid structure into ash and smoke as it combusts. The log changes color, often turning from brown or gray to black as it chars. Heat is produced, and gases like carbon dioxide and water vapor are released into the atmosphere. Additionally, the size of the log decreases as it loses mass through the combustion process.


Why does burning a log in the fireplace involve a chemical reaction while sawing a log in half does not?

Burning a log in the fireplace involves a chemical reaction because it undergoes combustion, reacting with oxygen to produce heat, light, and new chemical compounds like carbon dioxide and water vapor. Sawing a log in half is a physical change where the log is simply being cut into smaller pieces without any chemical reactions occurring.


Is burning logs a physical change?

No. Burning a log is a chemical change since the fire turns the wood into ash, water vapor, carbon dioxide, and elemental carbon.