Forces Of Intermolecular Forces

1053 Words5 Pages
A boiling point of a substance is dependent on the temperature at which the substance can change its matter, such as liquid to gas. The molecules present in liquid are tightly compressed together, though they are still moving and colliding. If the liquid is heated, there is a rise in temperature which generates vibrations throughout the liquid, resulting in more collisions between molecules (Helmenstine, 2017). Once the collisions between the molecules become quite intense and rapid, boiling starts to take place. There are molecules that are so powerful, they break through the attraction forces that keep the molecules together, this is called intermolecular forces (Ophardt, 2013). Breslyn (2016) explained that boiling point is when vapor pressure of a substance such as liquid is equal to the atmospheric pressure. Atmospheric pressure relates to the space of pressure above the liquid, whereas vapor pressure is defined as pressure that is created by the molecules changing from liquid to gas form, when these molecules change to gas they collide with air molecules. Boiling can take place after or before the boiling point of a substance is reached. Li (2014), explains that intermolecular forces are a set of attractive and repulsive forces that occur between molecules due to the polarity of the molecules. There are three different intermolecular forces, hydrogen bonding being the strongest, followed by dipole-dipole interactions and dispersion forces being the weakest of the

More about Forces Of Intermolecular Forces

Open Document