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What is high melting point?
The melting point of a solid is the temperature at which it changes STATE from SOLID to LIQUID. At the melting point the solid and liquid phase exist in equilibrium. The melting point of a substance depends (usually slightly) on pressure and is usually specified at STANDARDatmospheric pressure.
How you can measure the boiling point or melting point of carbon?
At high pressure and an inert atmosphere.
Is polyethylene autoclavable?
Yes, polyethylene is generally not autoclavable due to its low melting point and potential for deformation under high heat and pressure.
What is high point?
The melting point of a solid is the temperature at which it changes STATE from SOLID to LIQUID. At the melting point the solid and liquid phase exist in equilibrium. The melting point of a substance depends (usually slightly) on pressure and is usually specified at STANDARDatmospheric pressure.
What keeps rock in the lower part of the mantle below their melting point?
The high pressure in the lower mantle keeps rocks solid even if they exceed their melting point, as pressure can suppress melting. Additionally, the presence of minerals with high melting points, such as silicates, contributes to the rocks remaining solid below their melting point. The slow rate of heat transfer in the solid rock also plays a role in preventing it from reaching its melting point.
What can melt rocks without changing temperature when their confining pressure?
The process of partial melting can occur in rocks under high confining pressure, where the minerals in the rock start to melt without the overall temperature changing. This happens because the pressure lowers the melting point of the minerals. The supercritical fluids in Earth's mantle can also cause rocks to melt without a change in temperature under the high pressure conditions.
What happens when pressure is applied to ice crystals?
When pressure is applied to ice crystals, they may melt and transition into water if the pressure exceeds the melting point of ice. This process is known as pressure melting. Under high pressure, ice can also transform directly into water vapor through sublimation without melting first.
What is the specific melting point for olivine?
The melting point of olivine can vary depending on its composition, typically ranging from about 1200-1450 degrees Celsius. High-pressure experiments have shown that olivine can melt at lower temperatures under certain conditions.
How does melting point of bromine change with external pressure?
Bromine, as many other materials gets a higher melting point when pressure is low [less energy is needed to set molecules free] and lower melting point when pressure is high [more energy needed].
What substance has a high melting point?
One substance that has a high melting point is diamond.
Does carbon have high melting point?
it has a low melting point
Does a metal have a high or low melting point?
All metals have different melting points but they are all high
