Discuss the relationship between the structure of hydrocarbons and their properties of polarity and solubility. How does this compare to water?

Answers

Answer 1

Answer:

Answer:

Hydrocarbon being non polar are soluble only in non polar solvent.

Explanation:

Hydrocarbon molecules either have very little polarity or they do not have polarity at all, this is because of absence of electro-negative atoms in their molecular structure. Due to this their solubility is also affected. The solubility of a compound depends on its polarity as it can dissolve in a polar solvent only when it is polar or else they are soluble in non-polar solvent

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Solve for y. -3/y+6=2

Answers

Answer: -7.5

Explanation: To solve for y in the equation -3/(y + 6) = 2, you can follow these steps:

First, we want to get rid of the fraction. To do that, multiply both sides of the equation by (y + 6) to cancel out the denominator:

-3/(y + 6) * (y + 6) = 2 * (y + 6)

This simplifies to:

-3 = 2(y + 6)

Now, distribute 2 on the right side of the equation:

-3 = 2y + 12

Next, isolate the term with 'y' by subtracting 12 from both sides of the equation:

-3 - 12 = 2y

-15 = 2y

Finally, divide both sides by 2 to solve for 'y':

-15/2 = y

So, the solution for y is:

y = -15/2

You can also express this as a mixed number:

y = -7.5

Atoms of which element can bond with each other to form ring and chain structures in compounds?(1) C (3) H
(2) Ca (4) Na

Answers

The correct answer is option 1. It is the carbon (C) atom that can bond with each other to form ring and chain structures in compounds. These ring and chain structures and compounds are called organic compounds. Chain structures include alkanes, alkenes, alkynes. Ring structures include cyclic hydrocarbons and aromatic hydrocarbons.

Is tomatoe juice acidic?

Answers

Tomatoes are acidic in the mouth and stomach, yet their Alkaline residue Alkalizes

no it is not an acid is more like lemons

What is the best way to compare a concentrated solution to a dilute solution, given the same volume of solution?The concentrated solution has less solute than the dilute solution.
a) The concentrated solution has the same amount of solute as the dilute solution.
b) The concentrated solution has more solute than the dilute solution.
c) The concentrated solution has a different amount of solute than the dilute solution.
d) The concentrated solution has the same amount of solute as the dilute solution.

Answers

The correct answer is B. Given a same volume of a solution, the concentrated solution has more solute than the dilute solution. For instance, we are given two NaOH solutions having a volume of 1L one has a concentration of 1M and the other is 2M. The latter has more solute since it has 2 moles of NaOH while the other only has 1 mole.

Answer: b) The concentrated solution has more solute than the dilute solution.

Explanation:-

Binary Solution is a homogeneous mixture of two components called as solute and solvent. Solute is the component which is present in smaller proportion and is solid for solid in liquid solution and solvent is the component which is present in larger proportion and is liquid for solid in liquid solution.

Concentrated solution is one in which there is more amount of solid.

Dilute solution is one in which there is more amount of liquid.

If i add water to 100 mL of a 0.15M NaOH solution until the final volume 150mL , what will the molarity of the diluted solution be ?

Answers

If water is added to 100 ml of a 0.15 M NaOH solution until the final volume of 150 ml. The molarity of the diluted solution is 0.1 mol. L.

What is molarity?

Molarity is the measure of the concentration of any solute per unit volume of the solution.

$Molarity = (mole\; of \;solute)/(volume \;of \; solution) \n$

Moles of solute is $0.15 mol. L^-^1 * 100 * 10^-^3 \;L$

Volume is 150 ml

Putting the value

$Molarity = (0.15 mol. L^-^1 * 100 * 10^-^3 \;L)/(150\; ml) =0.1 mol * L$

Thus, the molarity of the diluted solution is 0.1 mol. L.

Learn more about molarity

brainly.com/question/12127540

0,15 moles of NaOH-------in------------1000ml
x moles of NaOH------------in--------100ml
x = 0,015 moles of NaOH

final volume = 150ml

0,015 moles of NaOH---in-------150ml
x moles of NaOH--------------in-----1000ml
x = 0,1 moles of NaOH

answer: 0,1mol/dm³ (molarity)

4Fe + 3O2à 2Fe2O3 is a balanced equation. What is the charge on each iron (Fe) ion in hematite (Fe2O3)?A. +1
B. +2
C. +3
D. +4

Answers

Answer: The correct answer is Option C.

Explanation:

Oxidation state is the number which is assigned to an element when it gains or looses electrons. If the element gains electron, it will attain a negative oxidation state and if the element looses electrons, it will attain a positive oxidation state.

We take the oxidation state of iron atom be 'x'.

Oxidation state of oxygen atom = -2

Evaluating the oxidation state of iron atom in $Fe_2O_3$ :

$2x+3(-2)=0\n\nx=+3$

Hence, the correct answer is Option C.

+3 I would say, in Fe2O3. O3=-6 Fe=+6 balances to 0

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