Q:

What does H2O stand for?

A:

Quick Answer

H2O is the chemical formula for dihydrogen monoxide, which is water. It is the combination of two hydrogen atoms bonded to a single oxygen atom.

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Full Answer

H2O is the most abundant compound on the surface of the Earth. Approximately 70 percent of the planet is covered in water, though not all of it is H2O. The majority of the water on the Earth's surface is seawater, in which various other compounds including NaCl (sodium chloride, or salt) are dissolved. These compounds do not bond to the H2O molecules and so the chemical formula does not alter, but seawater is not strictly pure H2O.

Water is the only substance that can be found naturally on the Earth's surface in all three of its phases (liquid, solid and gas).

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Related Questions

  • Q:

    What compound is Li2O H2O?

    A:

    The chemical compound derived from Li2O reacting with H2O is LiOH. Li2O is the chemical formula for lithium oxide, H2O is the chemical formula for water, and LiOH is the chemical formula for lithium hydroxide.

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  • Q:

    What is the molar mass of H2?

    A:

    The molar mass of H2, which is the chemical formula for dihydrogen, is 2.01 grams per mole with a standard deviation of plus or minus 0.00014 grams per mole. The molar mass is determined by combining the atomic weight of all the atoms in the compound.

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  • Q:

    What is the function of Ba(OH)2 + H2O?

    A:

    Barium hydroxide (Ba(OH)2 ) when mixed with water (H2O) ionizes completely. Its aqueous solution becomes free of carbonate unlike those of potassium hydroxide and sodium hydroxide.

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  • Q:

    Is H2O ionic or covalent?

    A:

    H2O, more commonly known as water, is a covalent compound. This type of compound is the result of atoms, usually from nonmetal elements, sharing electrons. Water has a special type of covalent bond called a polar covalent bond.

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