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11Alexandr11 [23.1K]
3 years ago
11

The temperature at which a solid melts is not characteristic if a compound nor an element

Chemistry
1 answer:
Assoli18 [71]3 years ago
8 0

Answer:

False

Explanation:

The temperature at which a solid melts, known as its melting point is highly characteristic of a compound and element.

The melting point of pure substances, compounds and elements is definite and not varied.

  • Melting point is an intensive property of matter.
  • It does not depend on the amount of matter present.
  • It is an innate or intrinsic property of every matter.
  • For example, no matter the volume or mass of water, it will always boil at 100°C, all things being equal.

Therefore, melting point of most solids is characteristic of compounds and elements.

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olga2289 [7]

What does matter mean?

Object which has mass and occupies space

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Read 2 more answers
Draw the product formed when cyclohexene is reacted with H2 in the presence of Pt. Note: If adding hydrogen atoms to a carbon at
tigry1 [53]

Answer:

It has been drawn and uploaded as an attachment. Please download it to see the structure.

Explanation:

The product formed as a result of the reaction of cyclohexene with H2​ in presence of Pt (platinum) can be described as catalytic hydrogenation. Catalytic hydrogenation is defined as the process of hydrogen addition in the presence of a catalyst, which in this case is platinum.

Note that Cyclohexene (alkene) is a hydrocarbon molecule represented by the chemical formula, C6​H10​ .

It consists of a double bond. During the hydrogenation reaction, the alkene undergoes an addition reaction to give alkane which is a saturated hydrocarbon as the product.

The first step in order to derive the product is to draw the chemical structure of cyclohexene and identify the double bond present in it.

The final product can be derived by replacing the double bond with the single bond and satisfying all the valences of the carbon atom. The final product structure has been drawn and uploaded as an attachment. Please download it to see the structure.

Ans:

The structure of the cyclohexane thus, formed has been shown as follows with all the hydrogen atoms:

3 0
3 years ago
According to the kinetic molecular theory particles of matter
DiKsa [7]

Answer:

The kinetic molecular theory of matter states that: Matter is made up of particles that are constantly moving. ... Molecules in the solid phase have the least amount of energy, while gas particles have the greatest amount of energy. The temperature of a substance is a measure of the average kinetic energy of the particles.

Explanation:

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At what temperature in the Kelvin scale does water boil? Explain what happen when we supply heat energy to water till it changes
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