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What is the relationship in the silicon content and the viscosity of magma?
There is an inverse relationship between magma viscosity and silicon content. Lavas erupting from basaltic volcanoes (like Hawaii) have a much lower viscosity and are much hotter than those erupted by volcanoes whose magmas are rich in silicon. There may be up to 8 orders of magnitude viscosity difference between basaltic magmas (SiO2 contents or about 45 %) and rhyolitic magmas (SiO2 > 70 %).
Why are silicon are better lubricants than petroleum products?
because they have better thermal stability then petroleum as silicon viscosity dont change due to temperature change while petroleum viscosity changes with any change in its tempareture
What is the role of silicon in welding electrodes?
Silicon is used to lower the viscosity of the weld puddle. This allows better flow of the molten weld puddle.
What element has the greatest effect on magma characteristics?
The percentage of silicon in magma greatly affects its viscosity.
What is fluid lava?
Very fluid lavas have low viscosity. Lavas decrease in viscosity with lessening amounts of silicon. Mafic lavas are lower in silicon and therefore more fluid in nature.
What is the relationship between silicon content and the viscosity of magma?
Although other factors such as temperature and water content also affect the viscosity of magma, silica-rich magmas tend to be more viscous than silica-poor magmas in similar situations.
What effects does water have on the viscosity of magma?
Adding water to a magma will decrease the viscosity of the melt. This happens because bonds within the silicon tetrahedron begin to break. When this breaking occurs it weakens the overall structure of the melt and doesn't allow the silica to accept other elements in order to form a complete bond.
What effect does water have on viscosity of magma?
Adding water to a magma will decrease the viscosity of the melt. This happens because bonds within the silicon tetrahedron begin to break. When this breaking occurs it weakens the overall structure of the melt and doesn't allow the silica to accept other elements in order to form a complete bond.
What is the difference between viscosity and viscosity index?
Viscosity is resistance to flow of oil Viscosity Index is a scale to measure viscosity
Does soda have a low viscosity?
The viscosity is similar to the viscosity of water.
What is the term for the thickness of a liquid?
Viscosity is the measure of the resistance of a liquid. This is often thought of as the thickness of a liquid.
What has Low density and high viscosity?
honey has high viscosity lah, and water has low viscosity. anything that resists flow has high viscosity...lah. honey has high viscosity lah, and water has low viscosity. anything that resists flow has high viscosity...lah.
