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3 years ago

3. Sugar solution(sugar + water) is a homogeneous mixture and sugar can be separated from water through evaporation .Comment.

Chemistry

2 answers:

Romashka [77]3 years ago

8 0

Answer:

water is the answer

Explanation:

The sugar and water mix to make sweet water but the sun extracts the sugar from the water leaving only normal water

SVETLANKA909090 [29]3 years ago

4 0

Answer:

water can be evaporated

Explanation:

the water will be evaporated leaving only the sugar residue behind.

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Answer:

See explanation

Explanation:

For this question, we have to remember the effect of an atom with high electronegativity as "Br". If the "Br" atom is closer to the carboxylic acid group (COOH) we will have an inductive effect. Due to the electronegativity of Br, the electrons of the C-H bond would be to the Br, then this bond would be weaker and the compound will be more acid (because is easier to produce the hydronium ion $H^+$ ).

With this in mind, for A in the last compound, we have 2 Br atoms near to the acid carboxylic group, so, we will have a high inductive effect, then the C-H would be weaker and we will have more acidity. Then we will have the compound with only 1 Br atom and finally, the last compound would be the one without Br atoms.

In B, the difference between the molecules is the position of the "Br" atom in the molecule. If the Br atom is closer to the acid group we will have a higher inductive effect and more acidity.

See figure 1

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3 years ago

Calculate the number of grams of oxygen required to convert 48.0 g of glucose to co2 and h2o.

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I believe that the balanced chemical reaction is:

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So the number of grams of oxygen required is:

mass O2 required = 48 g C6H12O6 * (1 mole C6H12O6 / 180.16 g) * (6 mole O2 / 1 mole C6H12O6) * (32 grams O2 / 1 mole)

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