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Heating a substance can result in a chemical reaction, which usually results in a simple combustion reaction. This is because Oxygen, or O2, is added to the substance, which can dramatically alter the substance.
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What happens to a substance that break apart before it can melt?
This is a thermal decomposition reaction: new compounds are obtained by heating.
Substance left after heating coal or petrol?
The substance left after heating coal is coal ash. The substance left after heating petrol is a residue called coke. Both of these byproducts are typically composed of carbon and other elements.
What do we call substance which changes readily into vapour without heating?
A substance that changes readily into vapor without heating is called a volatile substance. Examples include alcohol and acetone.
What is a solid substance left after heating coal or petrol?
The solid substance left after heating coal is called coal ash, while the residue left after heating petrol is known as petroleum coke. These solid substances are byproducts of the heating process and can vary in composition depending on how the coal or petrol was processed.
When a substance is heated its temperature increases. What happens to the energy of its particles?
The energy of its particles increases, so as the particles speed up move faster causing its heating up.
Does the rate of heating equal to the rate of cooling of a substance?
No, the rate of heating and the rate of cooling of a substance are not necessarily equal. The rate of heating refers to how quickly a substance gains heat energy, while the rate of cooling refers to how quickly a substance loses heat energy. These rates can be different depending on factors like the material of the substance, the temperature gradient, and the presence of insulation.
Do the particles of a substance move faster or slower as the substance?
With the help of heating the movement is faster.
Heating curve illustrates what?
When a substance is heated, a heating curve shows the changes in temperature as well as the physical state of the substance. A heating curve can chart the temperature versus the time elapsed as the changes take place.
What happens to the mixture of iron fillings and sulphur powder after heating?
That produces a strongly exothermic reaction that results in the production of a grey substance, an iron sulphide. Please see the link.
A solid substance after heating coal or petrol?
coke
How do you change a substance change of matter?
By heating or freezing.
How do you change a substance state of matter?
By heating or freezing.
