Volumetric expansion is the increase in volume of a substance due to a change in temperature. This phenomenon is caused by the increase in molecular motion and the resulting increase in space between molecules.
As temperature increases, the molecules in a substance gain energy and move more rapidly, causing them to take up more space. This results in an increase in volume and is known as thermal expansion.
The relationship between temperature and volumetric expansion is directly proportional. This means that as temperature increases, the volume of a substance also increases, and vice versa. This relationship is described by the coefficient of volumetric expansion, which is a constant value for each substance.
Heat is the energy that is transferred from a hotter object to a cooler object, causing a change in temperature. When heat is applied to a substance, its molecules gain energy and move more rapidly, resulting in an increase in volume due to volumetric expansion.
3 Alpha=Beta is a term used to describe the type of volumetric expansion that occurs in some substances, such as water, when they are cooled below a certain temperature. This results in a decrease in volume instead of the expected increase. This phenomenon is caused by the rearrangement of molecules in the substance and is also known as negative thermal expansion.