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How does an increase in confining affect a rocks melting temperature?

An increase in confining pressure typically raises a rock's melting temperature because the increased pressure inhibits the formation of liquid magma. This is due to the fact that higher pressure requires higher temperatures to overcome the forces holding the rock together in a solid state.


Does a rock melt when pressure increases?

Pressure can increase the melting point of rock because higher pressures result in a higher melting point. However, if the rock is subjected to extremely high pressure without a corresponding increase in temperature, it may deform or undergo metamorphism rather than melting.


What Affects the melting temperature of magma?

The composition of the magma plays a significant role in determining its melting temperature. Magma with higher silica content tends to have a higher melting temperature. Pressure also affects the melting temperature; higher pressure usually results in a higher melting temperature. Water content can lower the melting temperature of magma by acting as a flux, allowing minerals to melt at lower temperatures.


What happens to the melting point of paraffin wax if the pressure increases?

If the pressure increases, the melting point of paraffin wax also increases. This is because an increase in pressure makes it harder for the molecules to break free from their ordered arrangement and transition into the liquid phase, thus requiring a higher temperature to melt.


Is the temperature of the outer core higher OR lower than its melting point?

The outer core is liquid. Its pressure is low enough and its temperature high enough for it to melt. The inner core is solid. Both its pressure and temperature are higher than the outer core, but the increased pressure overwhelms the increased temperature, keeping the inner core from melting.

Related Questions

Which two factors affect the temperature that rocks melt at?

The two main factors that affect the temperature at which rocks melt are the composition of the rock and the pressure acting on it. Different minerals have different melting points, so the composition of the rock will determine its melting temperature. Additionally, pressure can increase or decrease the melting temperature of rocks, with higher pressure generally increasing melting temperature and lower pressure decreasing it.


How does pressure determine whether the mantle is solid or liquid?

The melting temperature of materials is affected by their confining pressure. The higher the pressure the higher the melting temperature. As such as you move deeper into the mantle, the tempraeture will increase, but because of the overlying material so to will the confining pressure which drives up the melting temperature. When high temperature mantle material moves nearer to the surface such as near a mid-ocean-ridge the confining pressure falls faster than the materials temperature and this can cause the melting point to drop below the temperature of the material leading to melting.


Does an increase in pressure results in a higher melting temperature of a dry substance?

yes because it stays together


How does an increase in confining affect a rocks melting temperature?

An increase in confining pressure typically raises a rock's melting temperature because the increased pressure inhibits the formation of liquid magma. This is due to the fact that higher pressure requires higher temperatures to overcome the forces holding the rock together in a solid state.


How can a rock that is above its melting temperature remain solid?

It can't. You can increase the melting point of a particular rock by placing it under a great deal of pressure however.


Does a rock melt when pressure increases?

Pressure can increase the melting point of rock because higher pressures result in a higher melting point. However, if the rock is subjected to extremely high pressure without a corresponding increase in temperature, it may deform or undergo metamorphism rather than melting.


Does an increase in pressure make magma cool?

Pressure does not change the temperature of rocks, but it does change the melting point. A rock that is under a lot of pressure, even if it is very hot, will stay solid, even if that same rock at the same temperature under lower pressure would be melted. This happens because intense pressure can hold the structure of the minerals together more easily, in a more solid form.So, with an increase in pressure, the melting point of a rock also increases.


How does water affect the melting temperature of rock?

In theory yes: increasing pressure will increase the melting point mostly (not for ice!). In practice: it is hardly noticable, not significant at all, for most solid materials.Pressure increases the melting point of rock. The molecules are packed tighter together and thus take more energy to liquefy.


How can liquid be turned into a solid?

the solid must reach its melting point which varies with every substance


What Affects the melting temperature of magma?

The composition of the magma plays a significant role in determining its melting temperature. Magma with higher silica content tends to have a higher melting temperature. Pressure also affects the melting temperature; higher pressure usually results in a higher melting temperature. Water content can lower the melting temperature of magma by acting as a flux, allowing minerals to melt at lower temperatures.


Would an increase in pressure cause this substance to freeze or melt?

Corrected: Only with some peculiarsubstances like ice contract on melting and expand on freezing. Since pressure also contracts ice, doing the same work of melting, the melting point of ice DECREASES with INCREASE of pressure.Added:In 'Related links' attached to this page (lower left corner) a diagram-picture of"Melting point: Temperature and Pressure" is shown asGreen line for most 'normal' solidsand ofWater-Ice: it is the Green-Dotted line.


When pressure on a piece ice is increased its melting point will be?

When pressure on a piece of ice is increased, its melting point will decrease. This is because an increase in pressure will stabilize the solid phase, making it harder for the ice to melt into liquid water.