# Can Water Reach 101°C @ 1 Atmosphere?

• Mark617
In summary, it is possible to heat water to 101 degrees C at 1 atmosphere and still have it remain a liquid. However, this is a very specific scenario and requires specific conditions, such as using pure and smooth water. Contaminants and energy distribution can also affect the boiling point of water, but these are minor factors. Superheating water in a microwave is also possible, but this should not be used to prove a teacher wrong.
Mark617
To heat water to 101 degrees C at 1 atmosphere?

Is there any case when this is possible? Even off the wall lab stuff will suffice.

What if water isn't completely pure, like most tap water here in the states? My teacher says it isn't possible but any caveat to prove him wrong would be great!

Thank you

Im assuming you mean heat water to 101 degrees and it still remain a liquid?

Also the idea of boiling point, isn't strictly true. Things have a boiling range due to an energy distribution, even pure water with no contaminents doesn't instantly go form not boiling at 99 to boiling at 100degrees C. It's more correct to thing of it as a boiling range. Contaminents will also play a factor. However! These are very anal and pedantic points to make.

Now, don't go and rub it in your teachers face becuase nobody like a smart ***. But you can superheat liquid water in a microwave. If the container is smooth enough there is nothing to trigger the 'boiling'.

Last edited:
You guys are my heroes.

Thanks a lot.

Edit - Yes, I meant heat it to 101 degrees C at 1 atm and still have it remain a liquid :)

## 1. Can water really reach a temperature of 101°C at 1 atmosphere?

Yes, it is possible for water to reach a temperature of 101°C at 1 atmosphere. This is known as the boiling point of water and it occurs when the vapor pressure of water equals the atmospheric pressure. However, this is only possible under specific conditions.

## 2. What are the specific conditions required for water to reach 101°C at 1 atmosphere?

In order for water to reach a temperature of 101°C at 1 atmosphere, it must be in a closed system with a constant atmospheric pressure of 1 atmosphere. The water must also be pure and free from any impurities that may affect its boiling point.

## 3. Is it possible for water to reach a temperature higher than 100°C at 1 atmosphere?

No, at 1 atmosphere, the boiling point of water is 100°C. This is because the vapor pressure of water cannot exceed the atmospheric pressure at this level. However, if the atmospheric pressure is increased, the boiling point of water will also increase.

## 4. Can water reach a temperature lower than 100°C at 1 atmosphere?

Yes, water can reach a temperature lower than 100°C at 1 atmosphere. This is known as the freezing point of water, which is 0°C. At this point, the vapor pressure of water is much lower than the atmospheric pressure.

## 5. What happens if the pressure at 1 atmosphere is decreased?

If the pressure at 1 atmosphere is decreased, the boiling point of water will also decrease. This means that water will boil at a lower temperature, possibly lower than 100°C. This is why water boils faster at higher altitudes where the atmospheric pressure is lower.

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