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osmanysalvador9
14.10.2020 •
Chemistry
a mixture of two amino acids, glycine and alanine, what is the best separating technique to separate them
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Ответ:
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Ответ:
Answer : The nutritional Calories per gram of the candy are, 5.36 calories
Explanation :
First we have to calculate the amount of heat.
where,
q = heat = ?
c = specific heat =![43.90kJ/K](/tpl/images/0570/9898/de120.png)
Now put all the given values in the above formula, we get:
Now we have to calculate the heat for per gram of sample.
Heat =![\frac{105.799kJ}{4.70g}=22.51kJ/g=22510J/g](/tpl/images/0570/9898/466e9.png)
Now we have to calculate the heat in terms of calories.
As, 1 nutritional Calories = 1000 calories
and, 1 calories = 4.2 J
As, 4.2 J = 1 calories
So, 22510 J =![\frac{22510J}{4.2J}\times \frac{1}{1000}cal=5.36cal](/tpl/images/0570/9898/39411.png)
Therefore, the nutritional Calories per gram of the candy are, 5.36 calories