Essentially SiO2 - Silicon dioxide
with added oxides
the chemical formula of glass is H2o+world education time hhahahah
There is none. Glass is a mixture, not a pure substance and so does not have a chemical formula.
Obsidian is volcanic glass, a mixture and as such has no chemical formula.
The chemical formula for glass is not a fixed one, as it can vary based on the type of glass. However, one common type of glass is soda-lime glass, which has the general formula of SiO2 - Na2O - CaO.
The chemical formula of water glass is typically represented as Na2SiO3, indicating that it is made up of sodium oxide (Na2O) and silicon dioxide (SiO2) in a molar ratio of 2:1.
Glass is a silicate; many types of glass exist, with very different composition.
Because a glass of cordial contains far more than one chemical.
Glass blowing is a physical procedure, the chemical formula is not changed.
The molecule of water has the chemical formula H2O.
Sand is usually nearly pure silicon dioxide but may have other metal oxides also. The same is true for glass, but the fraction of material other than silicon dioxide is usually larger for glass. Neither of them is a pure compound; therefore neither of them has any exact chemical formula.
The chemical formula of silicon dioxide is SiO2.
Besides for rearranging the glass pieces, one is not actually changing the chemical formula of the glass. Much like grinding NaCl, the crystals get smaller but the chemical remains the same.