What energy is present in the candle?

The burning candle is converting chemical energy-stored in the hydrocarbon bonds in the wax-into thermal (heat) and radiant (light) energy.

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What form of energy is present in a lighted candle?

Chemical energy*. Candles also possess a lot of chemical energy. So does petrol. Some substances absorb heat energy and change it into chemical energy. How many candles does it take to light up a room? Key Terms Room Foot Candles Needed Dining Room 30-40 Bedroom 10-20 Hallway 5-10 Bathroom 70-80 4 more rows ?

Keeping this in consideration, how far can the human eye see at night?

If Earth were flat, or if you were standing atop a mountain surveying a larger-than-usual patch of the planet, you could perceive bright lights hundreds of miles distant. On a dark night, you could even see a candle flame flickering up to 30 miles (48 km) away. People also ask how far can you see a candle flame at night? Seeing distance. Detecting a candle flame: Researchers believe that without obstructions, a person with healthy but average vision could see a candle flame from as far as 1.6 miles. Without the Earth's curve and from higher up: You might be able to identify objects from dozens, even hundreds, of miles away.

And another question, where should a candle be placed in a room?

Place candles far away from air vents to maximize their scent. Pay attention to where your candle is placed in the room. If you're setting it near a window that gets opened often, an overhead fan or air vent, all those things can affect how strong the candle smells. Why light a candle for the dead? It's a form of sacrifice. Burning a candle serves as a sacrificial gift or offering for the eternal repose of our loved ones. For Catholics, it helps alleviate a soul's holy suffering in purgatory and shortens the time they spend there for purification.