Given the EÂ° values for two half reactions, you can easily predict the potential difference of the corresponding cell: simply add the reduction potential of the reduction half-cell to the negative of the reduction potential (that is, to the oxidation potential) of the oxidation reaction.
How to Melt Glass With a Torch. Glass melting has a long history, going back to approximately 3000 BC. In these early times, glass was melted to decorate vases. Glass is made up of silica, sodium carbonate and calcium carbonate. Most glass melts at 1400 to 1600 degrees Farenheit. Nevertheless, there are specialized glasses that will melt at as low as 900 degrees.
Don't do it. The glued seam will become a hot-spot hazard. If there are bubbles in the glue or voids left in the seal, there will be an opportunity for popping and breaking the glass. The seam will also be an opportunity for uncleanliness. If you replace the plate, either get an exactly identical plate or get the same diameter and design.