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What changes do you see when a candle burns?
When a candle burns, the wax at the top of the candle melts and turns into liquid, which is then drawn up the wick by capillary action. This liquid wax vaporizes and mixes with oxygen in the air, producing a flame. The heat from the flame melts more wax, sustaining the process and allowing the candle to continue burning.
What is the change of state in a lit candle?
The change of state in a lit candle is from solid (wax) to liquid (molten wax) to gas (vaporized wax) as the heat from the flame melts the wax and turns it into vapor that burns, releasing heat and light.
Where does the wax of a candle goes when it burns?
When a candle burns, the wax is drawn up the wick and vaporized into carbon dioxide and water vapor, releasing heat and light. The wax is essentially converted into these gases and released into the air.
How does the state of matter of wax in a candle change when the candle it lit?
When a candle is lit, the solid wax melts and turns into liquid wax. As the candle burns, the liquid wax is drawn up the wick by capillary action and evaporates, creating a gas that then burns and produces heat and light.
What happens to the carbon when the candle burns?
When a candle burns, the carbon in the wax combines with oxygen in the air to form carbon dioxide gas. This process releases heat and light, which is why the candle produces a flame.
What changes do you see when a candle burns?
When a candle burns, the wax at the top of the candle melts and turns into liquid, which is then drawn up the wick by capillary action. This liquid wax vaporizes and mixes with oxygen in the air, producing a flame. The heat from the flame melts more wax, sustaining the process and allowing the candle to continue burning.
What is the change of state in a lit candle?
The change of state in a lit candle is from solid (wax) to liquid (molten wax) to gas (vaporized wax) as the heat from the flame melts the wax and turns it into vapor that burns, releasing heat and light.
Where does the wax of a candle goes when it burns?
When a candle burns, the wax is drawn up the wick and vaporized into carbon dioxide and water vapor, releasing heat and light. The wax is essentially converted into these gases and released into the air.
What the of change is a change of state?
The solid wax of the candle melts, and eventually vapourises, then burns and becomes a gas.
How does the state of matter of wax in a candle change when the candle it lit?
When a candle is lit, the solid wax melts and turns into liquid wax. As the candle burns, the liquid wax is drawn up the wick by capillary action and evaporates, creating a gas that then burns and produces heat and light.
What happens to the carbon when the candle burns?
When a candle burns, the carbon in the wax combines with oxygen in the air to form carbon dioxide gas. This process releases heat and light, which is why the candle produces a flame.
What gas is formed when a candle burns?
C02
What gas comes out of the fire of the candle stick?
The gas that comes out of the flame of a candle is primarily carbon dioxide and water vapor. When the candle burns, it undergoes a chemical reaction with oxygen in the air to produce these gases along with some light and heat.
How does the state of matter of wax in a candle change when the candle is lit an need an answer?
When a candle is lit, the wax melts into a liquid state due to the heat from the flame. The liquid wax is then drawn up the wick through capillary action and vaporizes into a gas, which is what burns to produce the flame.
Why does candle wax disappear?
When the candle flame is burning, the flame heats the wax which melts it, the wick pulls in the liquid wax into the flame as fuel (this is why the wick doesn't just burn away). Think of a napkin soaking up water. The wax then burns in the flame and "disappears".
Is a hot candle wax solid liquid or gas?
Hot candle wax is a liquid. When the wax is heated, it melts and transforms into a liquid form.
Where does the wax go as a candle burns?
This is because the wax oxidizes (burns) in the flame to yield water and carbon dioxide, which dissipate in the air around the candle, in a reaction which also yields light and heat. Candle wax (paraffin) is composed of chains of connected carbon atoms surrounded by hydrogen atoms. These hydrocarbon molecules can burn completely. First the heat of the flame vaporizes the wax molecules and then they react with the oxygen in the air. As long as the wax doesn't melt away from the flame, the flame will consume it completely and leave no ash or wax residue. Source: http://chemistry.about.com/od/howthingsworkfaqs/f/candlewax.htm
