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WINSTONCH [101]
2 years ago
14

How would you measure the melting point of a solid that melts above 100.

Chemistry
1 answer:
meriva2 years ago
7 0

Answer:

The determination of melting point can be done using the capillary tube method. ... A small capillary tube is filled with a small amount of the chemical component. The capillary is then heated in a chemical bath along with the thermometer to observe the point of melting of the solid component.Electrically heated apparatus is used to measure the melting point of a solid that melts above 100 degrees Celsius. This apparatus can also be used for even higher melting points.

Explanation:

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3 years ago
A white crystalline salt conducts electricity when it is melted and when it dissolves in water.
sergeinik [125]

Answer: Option (a) is the correct answer.

Explanation:

Ionic salts are defined as the salts which tend to contain ionic bonds as there occurs transfer of electrons between its combining atoms.

So, when an ionic salt melts or it is dissolved in water then it will dissociate into its respective ions and as electricity is the flow of electrons or ions. Hence, this salt is then able to conduct electricity.

As covalent compounds are insoluble in water so, they do no dissociate into ions. Hence, they do not conduct electricity.

Similarly, metallic and network solids do not dissociate into ions either when melted or dissolved in water. Therefore, they also do not conduct electricity.

Thus, we can conclude that when a white crystalline salt conducts electricity when it is melted and when it dissolves in water then this bond is of ionic type.

7 0
3 years ago
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evablogger [386]

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Explanation:

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Thus, we can conclude that chemical energy is stored in our food and this chemical energy start out as light energy from the sun.

6 0
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I really hope this helps! I wish you the best of luck!

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