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Korvikt [17]
3 years ago
5

Ethene is a useful substance that can form polymers. It has a melting point of 169°C and a boiling point of 104°C. At which temp

erature would ethene be a liquid?
Chemistry
1 answer:
blondinia [14]3 years ago
4 0

Answer:

-169°C to -104°C

Explanation:

Ethene, also known as ethylene exists in solid, liquid and gaseous states. Ethene is an aliens with condensed structural formula C2H4. Athens is a colourless gas. It is flammable and is also a sweet smelling gas in its pure form. It is the monomer in the production of polyethylene which is of great importance in the plastic industry. In agriculture, it is used to induce the ripening of fruits. It can be hydrated in order to produce ethanol.

The liquid range of ethene refers to the temperatures at which ethene is found in the liquid state of matter. It is actually the difference between the melting point and the boiling points of ethene. Hence the liquid range of ethene is -169°C to -104°C

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5 0
3 years ago
Read 2 more answers
Reasons
tekilochka [14]

Answer:

(1) The two column proof is presented here as follows;

Statement         {}                                Reasons

1. C is the midpoint of \overline {AE}         {}           Given  

  B is the midpoint of \overline {AC}         {}          

  D is the midpoint of \overline {CE}         {}          

2. AC = CE, AB = BC, CD = DE        {}      Definition of midpoint

3. AB + BC = AC, CD + DE = CE      {}       Segment addition postulate

4. CD + DE = AC        {}                             Substitution property of equality

5. AB + BC = CD + DE  {}                          Substitution property of equality

6. BC + BC = CD + CD          {}                  Substitution property of equality

7. 2·BC = 2·CD         {}                               Addition of two identical quantities

8. BC = CD  {}                                            Division property of equality

9. BC ≅  CD     {}                                       Definition of Congruence

(2) The two column proof for the triangular geometric figure is presented here as follows;

Statement         {}                                        Reasons

1. 2·WV = XY; 2·YZ = XW; WV = YZ   {}      Given

2.  2·WV = 2·YZ        {}                                Multiplication property

3. XY = XW        {}                                       Substitution Property

4. XW + WV = XV       {}                              Segment Addition Property

XY + YZ = XZ

5. XW + WV = XV      {}                              Substitution Property

XW + WV = XZ

6. XV = XZ       {}                                        Substitution Property

Explanation:

5 0
3 years ago
Will mark brainly read it make sense no funny business
Korolek [52]

Answer:  mixed

compound

Explanation:

6 0
3 years ago
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