# How can water stay liquid below zero degrees Celsius?

## How can water stay liquid below zero degrees Celsius?

Yes, water can stay liquid below zero degrees Celsius. When we apply pressure to a liquid, we force the molecules to get closer together. They can therefore form stable bonds and become a solid even if they have a higher temperature than the freezing point at standard pressure.

Why are water temperatures below 0 possible in the ocean?

Cold water has a higher density than warm water. Water gets colder with depth because cold, salty ocean water sinks to the bottom of the ocean basins below the less dense warmer water near the surface.

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### How can ocean water be below freezing but still liquid?

Ocean currents continuously drive warm water into the cold regions, heating them up and thereby reducing freezing. Public Domain Image, source: NOAA. Despite the fact that the oceans do freeze when the temperature is cold enough, ocean water does indeed stay liquid under much colder weather than one would first expect.

What happens to water when its at 0 degrees?

When a liquid reaches its standard freezing point (usually 0 degrees Celsius for water) it will crystalize and become a solid. For the water to crystallize and form ice, there must be a seed crystal around which a crystal structure can form to create a solid.

#### How cold is sea water?

The polar seas (high latitude) can be as cold as -2 degrees Celsius (28.4 degrees Fahrenheit) while the Persian Gulf (low latitude) can be as warm as 36 degrees Celsius (96.8 degrees Fahrenheit). Ocean water, with an average salinity of 35 psu, freezes at -1.94 degrees Celsius (28.5 degrees Fahrenheit).

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Why does ocean temperature remain constant?

Ocean temperatures remain fairly constant because water has a high specific heat. The specific heat of a substance refers to the amount of heat energy…

## Is sea water colder than freshwater?

Whilst the freezing point of freshwater is 0° C, the salt forces the freezing point of seawater to be lower (see the blue line in Figure 1). Typically seawater with a salinity, or salt content, of 35 parts per thousand (or 3.5\%) will have a freezing point of around -1.8° C.

What is the physical state of water below zero degree Celsius?

Answer: At 0°C, solid-state. We know that the freezing point of water is 0 °C. The liquid form of water starts to become solid (ice) at this temperature.

### What state of matter is water at 0 degrees Celsius?

solid
Under standard atmospheric conditions, water exists as a liquid. But if we lower the temperature below 0 degrees Celsius, or 32 degrees Fahrenheit, water changes its phase into a solid called ice.

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Why does sea water does not freeze at 0 degree Celsius?

But sea water is not regular water and contains salt in it. The salt causes the rate of freezing to occur slower than the rate of melting, causing the ice to melt and requires a lower temperature to reattain equilibrium. Hence sea water freeze below [0] zero degree Celsius.

#### What is the freezing point of ocean water in Celsius?

This is why salt is often used on icy roads to slow down freezing and make them safer to travel upon. Although the saltiness of ocean water varies, often ocean water has about 35 grams of salt for every 1,000 units of water. This lowers the freezing point of ocean water to about -1.8° C or 28.8° F.