What happens to the melting point of solids with the decrease in pressure
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Explanation:
Melting it would increase the volume of that substance because liquids take more space than solids. If you increase the pressure, it becomes harder for that transformation to occur. It's harder to change into a state that needs more volume if you are under pressure! So, you need more energy, hence temperature, to melt.
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Explanation:
For most substances, higher pressure (or air pressure, in your case) will cause the melting temperature to go up. ... Melting it would increase the volume of that substance because liquids take more space than solids. If you increase the pressure, it becomes harder for that transformation to occur.
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