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2 years ago

Do you think sugar would be soluble in hexane based on its structure

Chemistry

1 answer:

Fittoniya [83]2 years ago

5 0

Answer:

The dipole forces (particularly H-bonds) that keep polar solute molecules together can be replaced by polar solute-solvent interactions, so substances that are predominantly polar (like glucose) dissolve in polar solvents like water but not in nonpolar solvents like hexane (H-bonds).

Explanation:

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According to the following electron structure, how many valence electrons do these fluorine have?

Dmitriy789 [7]

Valence electron/s - it's electron/s located in outer shell of an atom.

Fluorin have 7 valence electrons located in 2 shell.
2s² 2p⁵

5 0

3 years ago

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Choose the aqueous solution below with the lowest freezing point. These are all solutions of nonvolatile solutes and you should

atroni [7]

Answer:

$(NH_4)_3PO_4$ 0.075 m solution has the lowest freezing point.

Explanation:

Depression in freezing point is given by:

$\Delta T_f=T-T_f$

$\Delta T_f=K_f\times m$

$\Delta T_f=iK_f\times \frac{\text{Mass of solute}}{\text{Molar mass of solute}\times \text{Mass of solvent in Kg}}$

where,

$\Delta T_f$ =Depression in freezing point

$K_f$ = Freezing point constant of solvent

1 - van't Hoff factor

m = molality

According question, molality of all the solutions are same and are in prepared with same solvent. So, values of molality and $K_f$ will remain the same and will not effect the freezing point of the solution.

The lowering in freezing point will now depend upon van't Hoff factors of the solutions. Higher the value of van'Hoff factor more will be the lowering in freezing point of the solution.

The van't Hoff factor of $KNO_2$ solution = $i_1=2$

The van't Hoff factor of $LiCN$ solution = $i_2=2$

The van't Hoff factor of $(NH_4)_3PO_4$ solution = $i_3=4$

The van't Hoff factor of $NaI$ solution = $i_4=2$

The van't Hoff factor of $NaBrO_3$ solution = $i_5=2$

The solution of ammonium phosphate has the highest values of van't Hoff factor which will result in maximum lowering of the freezing point of the solution.

Hence, $(NH_4)_3PO_4$ 0.075 m solution has the lowest freezing point.

4 0

2 years ago

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the synthesis of aspirin is a common esterification reaction. it is based on the balanced reaction given in the background of th

Alex Ar [27]

The theoretical yield of aspirin is <u>1.23 g</u>

Aspirin is a common drug with many uses. It relieves pain and reduces the risk of serious problems such as heart attack and stroke. It comes in many forms, including:

It is important to remember that aspirin alone does not lower blood pressure. However, its ability to thin the blood may benefit some people with high blood pressure.

moles of salicylic acid = mass / molar mass

=> 0.9457 / 138.2 = <u>0.006843 mol</u>

Acetic anhydride is in excess. Thus salicylic acid is the limiting reactant.

Total moles of aspirin that can form = moles of salicylic acid = 0.006843

mass of aspirin = number of moles of aspirin x molar mass of aspirin

= 0.006843 mol x 180.16g/mol = 1.23g

Thus theoretical yield of aspirin = 1.23 g

Learn more about aspirin here:-brainly.com/question/13533428

#SPJ4

6 0

6 months ago

Water is a polar molecule, meaning the electrons that are shared between the atoms aren't shared equally so oxygen attracts more

amm1812

Answer:

Magnet with a positive and a negative pole

Explanation:

A great analogy to demonstrate what a polar molecule looks like is to imagine a magnet. A magnet has one positively charged end and one negatively charged end, two poles, that is.

Imagine that we have a magnet of a shape of a prism (water molecule has a bent shape). The two base vertices of the face of the triangle are positively charged, that's because hydrogen is less electronegative than oxygen and, hence, the two hydrogen atoms are partially positively charged in a water molecule.

Oxygen is more electronegative than hydrogen meaning it has a greater electron-withdrawing force, so electrons are closer to oxygen within the O-H bonds. Oxygen, as a result, becomes partially negatively charged, so it's our negative pole of the magnet.

4 0

2 years ago

How many reactants are there?

Nostrana [21]

Answer:

i think there would be 5!

Explanation:

brainliest pls and God bless you!!:)

5 0

2 years ago

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