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vitfil [10]
2 years ago
15

Name each of the three types of unsaturated hydrocarbons, summarize their structural differences, and give an everyday source of

each.
Chemistry
2 answers:
Artemon [7]2 years ago
7 0

The three types of unsaturated hydrocarbons are alkenes, alkynes, and aromatic hydrocarbons. Alkenes contain at least one double bond, alkynes contain at least one triple bond, and aromatic hydrocarbons contain one or more benzene rings. Sources of alkenes include margarine and rubber; a source of alkyne is acetylene fuel in welding torches; and sources of aromatic hydrocarbons are polystyrene and aspirin.



jeka57 [31]2 years ago
4 0
Hydrocarbons are a type of organic compound. Hydrocarbons contain a carbon, hydrogen and oxygen bond that makes it organic. Chlorides, carbonates, and nitrous oxides are not organic compounds but they are inorganic compounds.
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What happens to an ocean current when it hits a continent? a. It changes direction. c. It moves toward the equator. b. It moves
Alex Ar [27]

Answer: I think it is D

Explanation:

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3 years ago
In Males which of the following organ performs a dual function of ejaculation of sperm and voiding of urine
Anna11 [10]
I believe it is the urethra 
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3 years ago
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Although objects can go through physical and changes, the amount of matter in those objects remains the same. This is known as t
Liula [17]
The question above is incomplete, the options attached tot he question are given below:
A. A structure made of building blocks.

 The blocks of the same structure bundled in a pile.

B.  A snowman.

 The melted remains of the same snowman.

C. A lump of clay.

The same lump broken into three pieces.

D. 1 cup of water and one gram of salt, separated.

 The same cup of water with one gram of salt mixed in.

E. One apple.

 The same apple cut into slices.

ANSWER:

The correct options are these:

B. A Snowman and the melted remain of the same snowman.

C. Lump of clay and the same clay broken into three pieces.

E. One apple and the same apple cut into slices.

For all the three answers listed above, the mass of the pairs will remain the same because nothing has been taken out of them and nothing is added to them, they were just changed from one form to another. The other options are wrong because, something got added to the original material. 

 

 


4 0
3 years ago
What is the boiling point of an aqueous solution that has a vapor pressure of 23.0 torr at 25 ∘C? (P∘H2O=23.78 torr; Kb= 0.512 ∘
UNO [17]

Answer:

Boiling point of the solution is 100.964°C

Explanation:

In this problem, first, you must use Raoult's law to calculate molality of the solution. When you find the molality you can obtain the boiling point elevation because of the effect of the solute in the solution (Colligative properties).

Using Raoult's law:

Psol = Xwater × P°water.

As vapour pressure of the solution is 23.0torr and for the pure water is 23.78torr:

23.0torr= Xwater × 23.78torr.

0.9672 = Xwater.

The mole fraction of water is:

0.9672 = \frac{X_{H_2O}}{X_{H_2O}+X_{solute}}

Also,

1 = X_{H_2O}+X_{solute}

You can assume moles of water are 0.9672 and moles of solute are 1- 0.9672 = 0.0328 moles

Molality is defined as the ratio between moles of solute (0.0328moles) and kg of solvent. kg of solvent are:

09672mol *\frac{18.01g}{1mol}* \frac{1kg}{1000g} = 0.01742kg

Molality of the solution is:

0.0328mol Solute / 0.01742kg = 1.883m

Boiling point elevation formula is:

ΔT = Kb×m×i

<em>Where ΔT is how many °C increase the boiling point regard to pure solvent, Kb is a constant (0.512°C/m for water), m molality (1.883m) and i is Van't Hoff factor (Assuming a i=1).</em>

Replacing:

ΔT = 0.512°C/m×1.882m×1

ΔT = 0.964°C

As the boiling point of water is 100°C,

<h3>Boiling point of the solution is 100.964°C</h3>

<em />

5 0
3 years ago
If a solution is saturated, which of these is true?
svp [43]
 <span>A saturated solution is one where no more solid can dissolve at the temperature and pressure used </span>
8 0
3 years ago
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