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When a candle burns the reactions that occur are both chemical and physical. Chemical reaction is when substances are mixed together to create a different material. A physical reaction is when there is a change in the appearance of the substance. For example when water turns to ice, and when chocolate melts.
The chemical reaction that happens when a candle burns is when the oxygen combines with the paraffin. When this happens, this makes carbon dioxide, water and other materials. When the wax reacts with the oxygen it gives off light and heat. The more oxygen that reacts with the candle when it burns, the brighter and hotter it is.
The physical reaction that occurs is when the candle wax melts. When the energy (light and heat) inside of the candle is released it helps to melt the candle.
What else can I help you with?
What happens to a candle if there is no oxygen?
The candle will cease to burn because oxygen is needed for burning. This is why one of the ways to extinguish a flame is to remove its source of oxygen, as described in the fire triangle.
Why is heating a candle a chemical change?
Heating a candle causes its wax to melt and burn, which involves a chemical reaction where the wax molecules are broken down and combine with oxygen in the air to produce heat, light, water vapor, and carbon dioxide. This transformation of wax into different compounds is a chemical change, as the composition of the candle wax is altered irreversibly during the process.
What provides the chemical potential energy in a candle?
The chemical potential energy in a candle comes from the combustion of the wax through a chemical reaction with oxygen in the air. This reaction releases heat and light energy, which is used as a source of energy for illumination and heating.
Is it a lighting a candle a chemical?
Yes, lighting a candle involves a chemical reaction. When the flame touches the wick, it causes the wax to melt and vaporize, which then reacts with oxygen in the air to produce heat, light, water vapor, and carbon dioxide. This chemical reaction is known as combustion.
Does a candle use energy?
Yes. a candle turns chemical energy into light.
What is the chemical reaction when you burn a candle inside a glass beaker?
It is an oxydation reaction.
Where does a chemical reaction occur on a candle?
When a candle burns the wax is reacting with oxygen in the air to give out heat and light.If you give the candle more oxygen then it will burn brighter ... but it will burn out more quickly.The burning of the candle (a chemical reaction) is affected by the number of oxygen molecules around it.So the speed of the chemical reaction is affected by the concentration of oxygen
What is the chemical change when a candle is alight?
When a candle is lit, the wax (hydrocarbons) in the candle reacts with oxygen in the air through combustion to produce carbon dioxide and water vapor. This chemical reaction releases heat and light energy, making the candle burn.
Is a candle burns chemical reaction?
Yes, burning a candle is a chemical reaction. The easiest way to tell if something is a chemical reaction is if heat or light are given of, a new substance is formed, or a colour change happens. Chemical changes are irreversible.Yes, whenever a candle burns, it is a combustion reaction between the carbon compounds of the wick and wax of the candle and of oxygen in the air. These compounds burn to create carbon dioxide and water, and also a few smaller carbon compounds, which is evident as the smoke rising occasionally from the flame. The flame you see and the heat you feel rising off of the burning wick is the evidence of an exothermic chemical reaction.Yes, burning a candle is a chemical reaction. The easiest way to tell if something is a chemical reaction is if heat or light are given of, a new substance is formed, or a colour change happens. Chemical changes are irreversible.
What chemicals react when a candle burns?
The candle burn is an oxydation reaction; organic compounds are burned with oxygen.
A melting candle demonstrates which reaction?
A melting candle is an example of a physical change, not a chemical reaction. The process involves a solid candle turning into liquid wax due to the application of heat, with no change in the chemical composition of the wax molecules.
What is the chemical property of a candle?
A candle uses a combustion reaction to release heat and gas.
What happens to a candle if there is no oxygen?
The candle will cease to burn because oxygen is needed for burning. This is why one of the ways to extinguish a flame is to remove its source of oxygen, as described in the fire triangle.
Why do candles burn in the air?
Burning is a reaction of oxidation, a reaction of oxygen with a substance. Candle components are flammable.
Why is heating a candle a chemical change?
Heating a candle causes its wax to melt and burn, which involves a chemical reaction where the wax molecules are broken down and combine with oxygen in the air to produce heat, light, water vapor, and carbon dioxide. This transformation of wax into different compounds is a chemical change, as the composition of the candle wax is altered irreversibly during the process.
How we know a chemical change has occurred when burning a candle?
Burning is a chemical reaction, an oxydation.
Is melting wax physical property?
Melting candle wax is a chemical change. Why? Because when you cook or burn candle wax it melts so it is a chemical change.
