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# What type of energy is water?

Water is a non-ionized vapor which occurs to some extent at about 100,000°F (3900°C) and may be liquid at this temperature without increasing the volume of the liquid to something greater than about two to three microns.

Water is not a gas, which means it does not form a liquid as a gas does. In other words, it does not form a “critical temperature” beyond which no reaction of any sort takes place — it’s a non-gas. But that does not mean water does not have a temperature. What does mean is that it is about 100 oC (212°F) hotter than the boiling point of water, and at that temperature it is a liquid at which reaction can take place.

What is the “critical temperature”?

“Initiated by the chemical reaction at a critical temperature, water can flow.”

You have heard this phrase used in several ways. Let me give you one of them:

The temperature required to melt a solid block without being vaporized by fire is the critical temperature. For water, it is 0.8°C/3°F (200°F/100°C).

I realize what you may think of this statement, namely “Water is a gas” but it’s a bit hard to understand the meaning. To clarify, this means that water’s liquid is liquid at about 0.8°C/3°F, and it will become a gas at about the same temperature. So, in a vacuum, the temperature will be at the bottom of the container. This might not be what you expect.

What is the “critical temperature” without being vaporized by fire?

In order to be a gas without being vaporized by fire it needs to be about the temperature at which it can flow without the possibility of boiling. Thereby it can be called a vapor pressure.

What is the “critical temperature” while being vaporized?

It turns out that while being vaporized, water is about the same temperature, because the volume of the air surrounding it is not more than 2 microns deep. The question then arises if one takes the temperature of water while being vaporized (or more precisely if a volume of water is removed from the air), as it is much lower than the temperature one would normally expect (since water is a gas, only 1/2 of it is in liquid form, not its vapor form).

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