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stepan [7]
2 years ago
10

The primary use of alkanes is Question 8 options: A) drugs. B) combustion as fuels. C) food. D) polymers.

Chemistry
1 answer:
svp [43]2 years ago
4 0

Answer:

B) combustion as fuels

Explanation:

This combustion fuel is called natural gas which contains both methane and ethane

.

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Stirring a liquid while you are mixing in another ingredient speeds up the rate of dissolving. Question 13 options: True False
brilliants [131]

Answer:

true

Explanation:

This is because it helps distribute the particles that are being dissolved. 

8 0
2 years ago
Read 2 more answers
Discuss elements and compounds by completing the following paragraph
pychu [463]

Elements are substances that are made up of the same atoms which are capable of taking part in a chemical reaction.

There are different types of elements which are represented by symbols gotten from the first letter or the first and any other letter in the name of the element.

Examples of elements include:

  • Hydrogen (H)
  • Carbon (C)
  • Nitrogen (N)
  • Sodium (Na)

When two or more of these elements combine together through a chemical bond, it leads to the formation of compounds.

Example of a compound includes:

  • NaCl: The element sodium combine, through electrochemical bonding, with another element chlorine to form the compound sodium chloride.

Learn more here:

brainly.com/question/17571315

3 0
2 years ago
Table salt is a refined salt containing about 97 to 99% sodium Chloride iodized salt containing potassium iodide is widely avail
Free_Kalibri [48]

Answer:

Explanation:

Sodium chloride is ionic compound. It is formed by the transfer of electron from one atom to the atom of another element.  

Both bonded atoms have very large electronegativity difference. The atom with large electronegativity value accept the electron from other with smaller value of electronegativity.

The electronegativity of chlorine is 3.16 and for sodium is 0.93. There is large difference is present. That's why electron from sodium is transfer to the chlorine. Sodium becomes positive and chlorine becomes negative ion. Both atoms are bonded together electrostatic attraction occur between anion and cations.

Sodium atom have one valance electron by losing this one valance electron sodium atom get the complete octet. Chlorine atom has seven valance electrons and needed to lose seven valance electrons or to get one electron and thus complete the octet. It is very easy for chlorine atom to get one electrons instead of losing all seven electron. Thus when it react with sodium it gain the valance electron of sodium and form ionic compound.

That's why only one atom of  sodium combine with one atom chlorine.

8 0
2 years ago
What would a 1:1 liquid binary mixture of Cyclohexane and Toluene look like? How would the molecules associate with one another?
Ainat [17]

Answer:

Both compounds are colorless, so a mixture of them will look transparent. Both molecules are nopolar, therefore they will associate with each other through London interactions, also known as Van del Waals forces or as transient dipole-transient dipole interactions.

Explanation:

3 0
3 years ago
What type of rock is show here? How do you know?
mart [117]

Answer:

Sedimentary Rock. You know from the fossils and remains of shells inside.

Explanation:

If it were igneous, the fossils would be melted away. Maybe not with metamorphic, but it's most likely sedimentary.

5 0
3 years ago
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