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Why is crystallization better than evaporation for the separation of mixtures?
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∙ 8y ago
This affirmation is not generally valid.
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∙ 8y ago
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How is crystallization better than evaporation?
Crystallization is better than evaporation in mainly two ways, : 1. in evaporation, the solution needs to be at the boiling point of the solvent, the whole time. This may degrade the solute. 2. in crystallization, the crystals automatically throw away impurities to arrange themselves in a regular manner. Therefore, the degree of purity is higher than the solute left after evaporation.
Which gives better results ascending or descending paper chromatography?
Paper chromatography is an analytical method of separating mixtures into their constituents. In the ascending technique, the separation of the mixture is against gravity.
How is crystallization technique better than simple evaporation technique to get a pure solid?
Crystallisation is the most common method to purify soluble solids. It is preferred over evaporation to dryness as many substances decompose upon strong heating. Also, when all the water is removed during evaporation, any soluble impurities will be left on the crystals (eg. sugar decomposes to become carbon when it is heated strongly). The shape and size of crystals can be controlled by controlling variables such as cooling rate and evaporation rate.In crystallisation, water is removed by heating the solution. Heating stops when a hot saturated* solution is formed. The resulting solution is left to cool and the dissolved solid will then be formed as pure crystals. This is because the solubility of the solute decreases as the temperature drops. At a lower temperature, less solute can be dissolved in the solution.
What is the term for liquid water chaning into a gas or vapor?
Evaporation if the transformation is at the surface of the liquid and boiling if the transformation involves the entire volume.
Why rate of evaporation of liquid increases with increasing wind speed?
the rate of evaporation increases when a breeze or flow of air is present. If you refer to water transpiration, you can see that a breeze blowing over the surface of a plant's leaves increases the rate of evaporation of the water exiting the stoma.
How is crystallization better than evaporation?
Crystallization is better than evaporation in mainly two ways, : 1. in evaporation, the solution needs to be at the boiling point of the solvent, the whole time. This may degrade the solute. 2. in crystallization, the crystals automatically throw away impurities to arrange themselves in a regular manner. Therefore, the degree of purity is higher than the solute left after evaporation.
Which gives better results ascending or descending paper chromatography?
Paper chromatography is an analytical method of separating mixtures into their constituents. In the ascending technique, the separation of the mixture is against gravity.
Why urine and feces mixtures is better fertilizer?
because you can drink it ;)
Which one is better maximum carnage or separation anxiety?
i think maximum carnage is better write what you think.
Does evaporation work better than coffee filters?
That would depend on what you are doing.
Can we combine more than one separation techniques to get better results?
yes
How is crystallization technique better than simple evaporation technique to get a pure solid?
Crystallisation is the most common method to purify soluble solids. It is preferred over evaporation to dryness as many substances decompose upon strong heating. Also, when all the water is removed during evaporation, any soluble impurities will be left on the crystals (eg. sugar decomposes to become carbon when it is heated strongly). The shape and size of crystals can be controlled by controlling variables such as cooling rate and evaporation rate.In crystallisation, water is removed by heating the solution. Heating stops when a hot saturated* solution is formed. The resulting solution is left to cool and the dissolved solid will then be formed as pure crystals. This is because the solubility of the solute decreases as the temperature drops. At a lower temperature, less solute can be dissolved in the solution.
Separation of power vs fusion of power..which is better and why?
Separation of power is better; although fusion of power probably runs more smoothly. When power is separated it is much harder for one branch to get too powerful.
Is legal separation cheaper than divorce?
As you have four children it is better to get a divorce once and for all, then a legal separation. It will solve you problems later on.
Is the separation of an organic liquid by distillation better or worse if salt is present?
This is not important if the salt is not soluble in a component.
How engine eat up less fuel?
Engines can become more efficient by refining the processes that operate the engine, better fuel/air mixtures, better power transfer, alternate fuels
What is the term for liquid water chaning into a gas or vapor?
Evaporation if the transformation is at the surface of the liquid and boiling if the transformation involves the entire volume.
