## Hot N Cold, exactly how much?

Question by MeiMei: Hot N Cold, exactly how much?
Ok i need an example of how hot 3000 *c is and how hot 5,500 *c is.
I’m doing a project for physical science and since im not in my honors class anymore, my teacher said i need to make “simple examples”

Help me dumb it down?

( I’m sorry that sounds really mean! Sorry i don’t know how to put it
Sorry)

Thanks!!!

for example, its like a forest fire or sear your eyebrows off kinda thing lol

What about the melting point o tungsten, 3410(+/-)20, and its boiling point of 5660 Centigrade? Is it close enough? Anyway, ask your teacher to produce a piece of a wire of it, so you could try the experiment in his lab. He might became less obnoxious, for he might be able to understand that everyone, including you, know these simple things of everyday life…

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### 19 thoughts on “Hot N Cold, exactly how much?”

1. JayJay says:

5 500 °C is almost exactly the surface temperature of the sun

The tungsten filament in incandescent light globes (the older ones, not the new fluorescent ones) have operating temperatures ranging between about 1700 °C and 3000 °C, depending on the quality of the globe, its power rating, and other factors. Basically, the higher the operating temperature, the higher the luminous efficiency but the lower the lifetime.

Flames are typically not that hot… candles, bunsen burners, natural gas flames for cooking – all in the range of 1000 to 1400 °C,. The exceptions tend to involve unusual fuels. The commonly known oxygen-acetylene flame used for welding is one example – welding torches function at about 3000 °C,. Higher temperatures still are possible, but with compounds that are not commonly encountered. The cyanogen flame (cyanogen, C2N2, is N≡C-C≡N) goes as high as 4500 °C, whilst the World Record for hottest flame belongs to carbon subnitride (dicyanoacetylene, C4N2, is N≡C-C≡C-C≡N) at 4987 °C.

By the way, if you want to look at *really* high temperatures, you need to go to plasmas… a typical bolt of lightening, for example, discharges 30 000 amps at up to 100 million volts – and the plasma temperatures in lightning can approach ~27,700°C.

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