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13 Νοε 2022 · Identify three special properties of water that make it unusual for a molecule of its size, and explain how these result from hydrogen bonding. Explain what is meant by hydrogen bonding and the molecular structural features that bring it about.
3 Ιαν 2012 · Water has high melting and boiling points which is caused by the strong intermolecular forces of hydrogen bonding between the molecules. In ice (solid H 2 O) and water (liquid H 2 O) the molecules are tightly held together by hydrogen bonds.
30 Ιαν 2023 · A hydrogen bond is an intermolecular force (IMF) that forms a special type of dipole-dipole attraction when a hydrogen atom bonded to a strongly electronegative atom exists in the vicinity of another electronegative atom with a lone pair of electrons.
Hydrogen bonding in water refers to the strong attractive forces between the positively charged hydrogen atoms of one water molecule and the negatively charged oxygen atoms of another water molecule. These bonds form due to the difference in electronegativity between hydrogen and oxygen atoms.
In water's hydrogen bonds, the hydrogen atom is covalently attached to the oxygen of a water molecule (492.2145 kJ ˣ mol −1 [350]) but has (optimally) an additional attraction (about 23.3 kJ mol −1 [168]. This is the energy (ΔH) required for breaking the bond and completely separating the atoms.
In H2O molecule, two water molecules are bonded by a Hydrogen bond but the bond between two H - O bonds within a water molecule are covalent. Refer this diagram : http://goo.gl/84w9T. The dotted lines represent a hydrogen bond and the solid lines represent a covalent bond.
The diagrams below show hydrogen bonding between water molecules. a. Which diagram depicts ice? _____ b. Which diagram depicts liquid water? _____ c. Why is ice less dense than liquid water? Refer to the diagrams to help you explain. 12. Look at Table 15.1 on page 448. To four significant figures, list the density of a. liquid water at 4°C _____
