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Aleks04 [339]
3 years ago
11

Why does a solid change to liquid when heat is added?

Chemistry
2 answers:
KiRa [710]3 years ago
8 0
It is because the space between particles decreases but also looses energy at the same time.
Stella [2.4K]3 years ago
6 0

Answer:

The spacing between particles increases.

Explanation:

Solids is the state of matter in which the atoms of the matter are closely packed by the strong forces.

When solid is converted to liquid, these force has to be broken in order for the conversion to take place.

Thus, on heating the molecules gain energy and posses kinetic energy and start vibrating and moving. This energy overcome the forces of attraction and the spacing of the atoms decreases and turns into liquid.

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Nucleus controls the DNA replication!

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Suppose you are performing an extraction procedure with a carboxylic acid, like a benzoic or toluic acid Which layer should cont
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Answer:

The correct answer is option A, that is, the organic layer.

Explanation:

One knows that non-polar solvent dissolves non-polar substances and the polar solvent dissolves polar substances, that is, like dissolved like. The toluic acid or benzoic acid refers to the carboxylic acids, which are non-polar or are very less polar in characteristics.  

Therefore, they possess the tendency to remain in the organic solvent, which is non-polar like diethyl ether. The toluic acid's or benzoic acid's non-polar characteristic is because of the existence of huge hydrophobic rings of benzene. Hence, the correct answer is option A, that is, the organic layer.  

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4 years ago
. Explain the differences between a sponge and a sourdough starter. How are each of these items used
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8 0
3 years ago
What is the cost to drive to Los Angeles from San Francisco a distance of 405 miles if the cost of gasoline is $2.90 a gallon an
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