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Water is most dense at 4C (around 39F). Any colder or warmer, and the water's density begins to decrease. This is due to the shape and polarity of the water molecules. The very electronegative oxygen and the lone pair make the molecule into the bent shape (v-shape) with O being the "point" of the v. At 4C, these molecules have stacked into and "filled in" the space between the legs of the "V." As it gets colder, the molecules form a lattice that is more rigid in nature, and eventually a solid that is less dense than liquid water (which is why ice floats, rather than sinks, in water). As 4C water gets warmer, the molecules also move out of the space between the legs due to the extra energy and movement included in a higher temperature.
What else can I help you with?
When is water densest?
When it is in it's liquid state of matter.
What is the densest cold salt water warm salt water cold fresh water warm fresh water?
Cold Salt Water is the densest. When there is less heat in a liquid, the particles are closer together. The salt also saturates the water and makes it even denser. That's why boats float better in Cold Salt Water than in Warm Fresh Water. P.S. Next time, put commas between the options. -------------------------------------------------------------------------------------------------------- Sources: Grade 8 Science
Is osmium a gas?
No, osmium is a transition metal on the periodic table and is a solid at room temperature. It is one of the densest elements known.
What is the densest element found on Earth?
The densest element found on Earth is osmium.
What 2 ways can you change density of water?
By cooling it below 4 degrees centigrade whereupon its density will decrease. By heating it above 4 degrees centigrade whereupon its density will decrease. Water is at its densest at about 4 degrees centigrade.
What temperature is water the densest?
Water is the densest at around 4 degrees Celsius. At this temperature, the water molecules are arranged in a way that maximizes their closeness, resulting in the highest density.
When is water its densest?
Water is densest at 4 degrees Celsius. At this temperature, the hydrogen bonds in water are arranged in a way that maximizes the density of water molecules.
What is the densest fluid present on earth?
The densest liquid at room temperature is Mercury which is 13.5 times heavier than water.
When is water densest?
When it is in it's liquid state of matter.
Is fresh water salt water or ice water densest?
salt water is densest
What temperature is 39 degrees celsius?
Around four. 4 degrees C is actually 39.1 in Fahrenheit. It is also the densest point of water.
When is the water densest?
About 4 degrees centgrade.
What temperature in the solid phase has the greatest water density?
In the liquid phase, it is 4o C. seeing how water only expands as it becomes ice, i think 0 degrees celcius is the densest
What is the deepest and densest layer of water in the ocean?
A basic answer is that the densest ocean water is the saltiest - a ship floats higher in salt water (sea) than in fresh water (lake). Also cold water tends to sink towards the ocean floor, or may form a layer mid way.
Where is the densest ocean water generally found?
deep zone
Where would you find the densest water?
4 degrees celsius
How do temperature and salinity relate to deep-current movement?
The density of the water increases with the salinity, so saline water is denser and sinks to the bottom. Temperature is also a factor, however. Cold, saline water is the densest
