Thank you =)Khashishi said:Depends on the temperature. Here's the specific heat capacity of (some kind of) glass at 20C. It probably changes as you go up in temperature, but this should get you a rough estimate.
http://hyperphysics.phy-astr.gsu.edu/hbase/tables/sphtt.html
Some people claim that glass is actually a supercooled liquid because there is no first order phase transition as it cools. In fact, there is a second order transition between the supercooled liquid state and the glass state, so a distinction can still be drawn. The transition is not as dramatic as the phase change that takes you from liquid to crystalline solids. There is no discontinuous change of density and no latent heat of fusion. The transition can be detected as a marked change in the thermal expansivity and heat capacity of the material. [my emphasis]
http://math.ucr.edu/home/baez/physics/General/Glass/glass.html
CWatters said:Does glass have a latent heat of fusion/melting?
Also, there is a belief that the glass in old windows is thicker at the bottom than at the top because it has 'flowed downwards'. I think the reason is not to do with flowing but because the glass was always put in that way for strength.Vanadium 50 said:It does not. (But the "glass is a liquid" meme is an oversimplification designed more to produce a 'wow' than actual enlightenment)
Heat energy in molten glass is typically measured in joules or calories. Joules are the standard unit of energy in the International System of Units (SI), while calories are a common unit used in chemistry.
The amount of heat energy in molten glass is affected by several factors, including the temperature of the glass, the specific heat capacity of the glass, and the mass of the glass.
The temperature of molten glass directly impacts its heat energy. As the temperature increases, so does the amount of heat energy in the glass. This is because heat energy is a form of kinetic energy, and higher temperatures indicate a greater amount of kinetic energy.
Yes, the heat energy in molten glass can be calculated using the formula Q = mcΔT, where Q is the heat energy, m is the mass of the glass, c is the specific heat capacity of the glass, and ΔT is the change in temperature.
The heat energy in molten glass is used in various glass making processes, such as melting, shaping, and annealing. It is also important for maintaining the proper viscosity of the glass, which affects its ability to be shaped and molded.