The melting point of ice____due to pressure.
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The melting point of ice decreases when pressure increases because when pressure is increased volume is decreased and volume of water is less than ice.
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Answer:
The melting point of ice decreases due to pressure.
Explanation:
- For water, increasing the pressure lowers the phase transition temperature.
- Reason behind the lowering of melting point is that water expands when going from liquid to solid phase.
- LeChatelier's principle explains that when any system is in equilibrium, any external changes that try to take it out of equilibrium causes the system to adjust in a way which is counteractive to that change.
- So, increasing the pressure on ice, the ice-water system tries to lower it again. This is done my making it fit in lower volume.
- Since water fills small volume in liquid state, so it allows more solid to become liquid, which results in lowering of melting point.
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