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stepladder [879]
3 years ago
7

Explain the 4 methods of separating mixtures

Chemistry
1 answer:
jeyben [28]3 years ago
8 0
1) chromatography- separation by inner molecular attractions.

2) distillation- separation by boiling point differences.

3) filtration- separation by particle size

4) crystallization- separation by solubility
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How much energy is required to melt 10. 0 g of ice at 0. 0°C, warm it to 100. 0°c and completely vaporize the sample?
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The 7160 cal energy is required to melt 10. 0 g of ice at 0. 0°C, warm it to 100. 0°C and completely vaporize the sample.

Calculation,

Given data,

Mass of the ice = 10 g

Temperature of ice =  0. 0°C

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Heat required at this stage = mas of the ice ×latent heat of fusion of ice

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Heat required for this  = 10 g×100× 1 = 1000 cal

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Heat required for this  = 10g ×536 =5360 cal

Total energy or heat required = sum of all heat = 800 +1000+ 5360  = 7160 cal

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