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In industry, the various grades of sodium silicate are characterized by their SiO 2 :Na 2 O weight ratio (which can be converted to molar ratio by multiplication with 1.032). The ratio can vary between 1:2 and 3.75:1. [1] Grades with ratio below 2.85:1 are termed alkaline. Those with a higher SiO 2 :Na 2 O ratio are described as neutral.
Markus Alexej Persson ( / ˈmɑːrkəs ˈpɪərsən / ⓘ, Swedish: [ˈmǎrkɵs ˈpæ̌ːʂɔn] ⓘ; born 1 June 1979), also known as " Notch ", [3] is a Swedish video game programmer and designer. He is the creator of the video game Minecraft, which since its release has become the best-selling video game in history. He founded the video game ...
A Minecraft mod is a mod that changes aspects of the sandbox game Minecraft. Minecraft mods can add additional content to the game, make tweaks to specific features, and optimize performance. Thousands of mods for the game have been created, with some mods even generating an income for their authors. While Mojang Studios does not provide an API ...
Sodium is a chemical element; it has symbol Na (from Neo-Latin natrium) and atomic number 11. It is a soft, silvery-white, highly reactive metal. Sodium is an alkali metal, being in group 1 of the periodic table. Its only stable isotope is 23 Na. The free metal does not occur in nature and must be prepared from compounds.
SourceForge is a web-based source code repository. It acts as a centralized location for free and open-source software projects. It was the first to offer this service for free to open-source projects. Project developers have access to centralized storage and tools for managing projects, though it is best known for providing revision control ...
Hot metal ingot being loaded into a hammer forge. A billet in an open-die forging press. Forging is a manufacturing process involving the shaping of metal using localized compressive forces. The blows are delivered with a hammer (often a power hammer) or a die.
List of chemical elements. 118 chemical elements have been identified and named officially by IUPAC. A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number, or Z ). [1]
Washington's Headquarters at Valley Forge, also known as the Isaac Potts House, is a historic house that served as General George Washington 's headquarters at Valley Forge during the American Revolutionary War. The building, which still stands, is one of the centerpieces of Valley Forge National Historical Park in Southeastern Pennsylvania .