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In liquid form, H2O is also called "Water" at standard temperature and pressure . Because Earth's environment is relatively close to water's triple point, water exists on Earth as a solid, a liquid, and a gas. [21] It forms precipitation in the form of rain and aerosols in the form of fog.
- 3.6M
- 117
- H, ₂O
- ZC0110000
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4 days ago · Learn about water, a compound of hydrogen and oxygen that exists in various states and has unique properties. Explore the structure, chemistry, and role of water in the natural world and human activities.
Water is the chemical substance with chemical formula H. 2O; one molecule of water has two hydrogen atoms covalently bonded to a single oxygen atom. [25] Water is a tasteless, odorless liquid at ambient temperature and pressure. Liquid water has weak absorption bands at wavelengths of around 750 nm which cause it to appear to have a blue color. [3]
- 99.98 °C (211.96 °F; 373.13 K)
- 0.00 °C (32.00 °F; 273.15 K)
- H, ₂O
- 18.01528(33) g/mol
Water (chemical formula: H2O) is a transparent fluid which forms the world's streams, lakes, oceans and rain, and is the major constituent of the fluids of organisms. As a chemical compound, a water molecule contains one oxygen and two hydrogen atoms that are connected by covalent bonds. Water is a liquid at standard ambient temperature and ...
It gives a medium for chemical reactions to take place, and is the main part of blood. It keeps the body temperature the same by sweating from the skin. Water helps blood carry nutrients from the stomach to all parts of the body to keep the body alive. Water also helps the blood carry oxygen from the lungs to the body.
H2O meaning: 1. the chemical symbol for water; used to refer to the substance water: 2. the chemical symbol for…. Learn more.
