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Corrected:
In water, there is a small DEcrease in melting temperature of ice, as pressure increases.
Added:
In 'Related links' attached to this page (lower left corner) a diagram-picture of
"Melting point: Temperature and Pressure" is shown as
Green line for most 'normal' solids
and of
Water-Ice: it is the Green-Dotted line.
What else can I help you with?
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.
When depth into the earth increases so does?
When depth into the earth increases, the pressure and temperature also tend to increase. This can cause changes in the state of materials, such as rocks melting to form magma. Additionally, the composition of the Earth's layers and the intensity of geological processes may vary with depth.
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.
Explain why the inner core remains a solid even though it is very hot?
The immense pressure at the Earth's core, from the weight of all the layers above it, prevents the inner core from melting despite its extreme heat. The melting temperature of materials increases with pressure, allowing the inner core to remain solid under the high pressure 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 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.
The density of water depends on its?
Pressure and temperature. Increasing the pressure increases the density. Increasing the temperature decreases the density between melting point and 4oC
What happens to the melting temperature as you go from left to right across a row in the periodic table?
it increases then decreases
How does the melting point of water change as pressure increases from1atm?
The melting point of water decreases as pressure increases from 1 atm. At pressures above 1 atm, water requires a lower temperature to melt because the increased pressure helps to stabilize the solid phase.
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.
Why is the core solid?
As we go inside the Earth, the temperature increases, but so does the confining pressure. As the pressure increases, the melting point of the materials increases as they become harder and denser. The outer core is liquid due to the fact the melting point hasnt increased above its temperature. At the boundary of outer and inner core, the pressure becomes high enough to raise the melting point of the materials above their temperature. So it is solid The inner core is solid because the main constituent of inner core is iron. In the inner core the pressure is nearly 330-360 giga pascal and temperature is nearly 5900K. at these pressure the melting point of iron increases upto an extent that it can be in solid state even at that high temperatures. Hence, the inner core of earth is in solid state.
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.
What happens to the particles as the temperature of a solid increases?
Nothing until it hits its melting point. Once it hits its melting point, its particles begin to move more freely, and the solid turns into a liquid.
What happens when the temperature stays the same in a melting curve?
During melting the temperature remain constant if it was achieved the melting point.
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.
What happens to solid liquid and gas when you increase temperature?
When temperature increases, the energy of the particles in solids, liquids, and gases also increases. In solids, particles vibrate more vigorously, which can lead to melting if the temperature rises enough. In liquids, increased temperature causes particles to move faster, potentially leading to boiling. In gases, higher temperatures result in greater particle movement and expansion, increasing pressure if the volume is constant.
