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What happens to the melting point of paraffin wax if the pressure increases?
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∙ 11y ago
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∙ 11y ago
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Effects of impurities and pressure on melting point of water?
melting point decreases with pressure and increases with impurities (like saw dust). boiling point increases with impurities and also increases with pressure.
How does the melting point of water change as pressure increases from1atm?
Decreases
What happens to water solubility as chain length increases in carboxylic acid?
It decreases. And melting point increases.
Is the melting paraffin physical or chemical change?
physical change
What is the effect of change in pressure in melting point?
Putting a substance under pressure increases its melting point because substances expand as they melt. Putting them under pressure makes it harder for them to expand, which means that they require more energy (heat) in order to transition from a solid state to a liquid state. If a substance is under pressure, decreasing the pressure will lower its melting point.
What happens to the melting point of plagioclase feldspar when it is pushed further into the earth?
the melting point decreases as pressure increases, so the further into the earth feldspar is pushed, the higher the pressure and the lover the melting point
Effects of impurities and pressure on melting point of water?
melting point decreases with pressure and increases with impurities (like saw dust). boiling point increases with impurities and also increases with pressure.
What happens to the melting point temperature as pressure increases?
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 asGreen line for most 'normal' solidsand ofWater-Ice: it is the Green-Dotted line.
How does the melting point of water change as pressure increases from1atm?
Decreases
What is the boiling point of liquid paraffin?
Paraffin is a class of hydrocarbons called Alkane the most basic alkane being methane. Methane has a boiling point of -161 degree Celsius. As it goes higher the bp increases as the energy required to break the hydrogen bonding increases.
What happens to water solubility as chain length increases in carboxylic acid?
It decreases. And melting point increases.
Why we use paraffin for determination of melting point?
Liquid paraffin is used in thermostatic baths, to maintain a constant temperature.
Is the melting paraffin physical or chemical change?
physical change
What happens to the melting temperature as you go from left to right across a row in the periodic table?
it increases then decreases
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.
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
In the experiment of determining melting point why each time fresh paraffin liquid should be taken?
Paraffin oil is nontoxic, noncorrosive and stable.
