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Feb 21, 2024 · When a hydrogen atom from one water molecule is attracted to the oxygen atom of another water molecule, a hydrogen bond forms. These bonds are like tiny magnets, pulling the molecules together. Imagine each water molecule as a tiny magnet with one positive end (hydrogen) and one negative end (oxygen), attracting neighboring molecules and creating a network of interconnected structures.
Apr 16, 2023 · Intra molecular forces are those within the molecule that keep the molecule together, for example, the bonds between the atoms. Inter molecular forces are the attractions between molecules, which determine many of the physical properties of a substance. Figure 6.3.1 6.3. 1 illustrates these different molecular forces.
5.2 Water’s Interactions with Other Molecules Water’s Solvent Properties. Since water is a polar molecule with slightly positive and slightly negative charges, ions and polar molecules can readily dissolve in it. Therefore, we refer to water as a solvent, a substance capable of dissolving other polar molecules and ionic compounds.
Aug 26, 2014 · This charge displacement constitutes an electric dipole, represented by the arrow at the bottom; you can think of this dipole as the electrical "image" of a water molecule. Opposite charges attract, so it is not surprising that the negative end of one water molecule will tend to orient itself so as to be close to the positive end of another molecule that happens to be nearby.
- Boiling Point
- Surface Tension
- Viscosity
- Density
- Water as A Solvent
If we compare the boiling points of Group 6 hydrides, we can see that those for water are significantly higher than would have been expected. As we go down the group and number of electrons increases, so does the strength of London forces between molecules, so that boiling point increases. However, the strong hydrogen bonds that form between water ...
Surface tension refers to how strongly molecules are held to the surface of a liquid. As a result of hydrogen bonds which exert a strong downwards force on water molecules at the surface, water has a higher surface tension than most other liquids.
Viscosity is a measure of how resistant to flow a liquid is as a result of friction between its molecules. Due to the hydrogen bonds between them, water molecules are less capable to slide over each other so that water has a high viscosity.
In general, solids are denser than their liquids but for water, the density of solid ice is lower than the density of liquid water. When water freezes into ice, water molecules become arranged into a 3D network where each water molecule is connected to four other water molecules by hydrogen bonds. As a result of this regular lattice structure, the ...
A solvent is the liquid medium for a reaction. Solvents with a permanent dipole moment, like water, are said to be polar and those without it are said to be non-polar. When a compound dissolves in a solvent: 1) Intermolecular forces within the compound are broken down 2) New bonds with the solvent molecules are formed Therefore, for a solvent to be...
Structure of Water. Water is a simple molecule consisting of one oxygen atom bonded to two different hydrogen atoms. Because of the higher electronegativity of the oxygen atom, the bonds are polar covalent (polar bonds). The oxygen atom attracts the shared electrons of the covalent bonds to a significantly greater extent than the hydrogen atoms.
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A more or less stable grouping of two or more atoms held together by chemical bonds is called a molecule. The bonded atoms may be of the same element, as in the case of H2, which is called molecular hydrogen or hydrogen gas. When a molecule is made up of two or more atoms of different elements, it is called a chemical compound.
