How do water molecules move away from their H-O-H configuration to become new molecules?

The water molecules move away from their H-O-H configuration to become new molecules as the weak hydrogen bonds are constantly being broken and re-formed.

A water molecule is composed of two atoms of hydrogen and one atom of oxygen. Oxygen shares one of its outer electrons with each of two hydrogen atoms, and each of the two hydrogen atoms share their only electrons.

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A water molecule is consists of two hydrogen atom, each bound to the central oxygen atom through a covalent chemical bond.

Water molecules can form new molecules by moving away from their H-O-H configuration due to thermal motions and rotations. Thermal motions and rotations break the individual hydrogen bonds and change the  H-O-H configuration influenced by the temperature and pressure.

specific gravity is the density of a substance divided by the density of water. since (at standard temperature and pressure) water has a density of 1 gram/cm3, and since all of the units cancel, specific gravity is usually very close to the same value as density

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