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monitta
3 years ago
9

What is a substrate

Chemistry
1 answer:
Oduvanchick [21]3 years ago
4 0

Answer:

a substrate is surface or material on or from an organism lives, grows, or obtains its nourishment.

Explanation:

Hey I hope this helps.....

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Which is true according to the kinetic theory?
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This is chemistry: 2 questions having to do with particles
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Answer 1 :

Image 1 shows : Liquid phase

Image 2 shows : Gas phase

Image 3 shows : Solid phase

Image 4 shows : Solid phase

  • Solid phase : In this state, the molecules are closely and tightly packed. There is no vacant space present in it.
  • Liquid phase : In this state, the molecules are loosely packed and there is an intermediate vacant space present in it.
  • Gas phase : In this state, the molecules are very loosely packed and there is a lot of vacant space present in it.

Answer 2 :

Liquid to gas : Evaporation

Solid to gas : Sublimation

Gas to solid : Deposition

Solid to liquid : Melting

Liquid to solid : Freezing

Gas to liquid : Condensation

Explanation :

  • Evaporation : It is a type of vaporization process in which a liquid changes into gas phase by providing heat.
  • Sublimation : It is a process in which a solid changes directly into gas phase without passing through a liquid phase.
  • Deposition : It is a process in which a gas transforms directly into a solid phase without passing through a liquid phase.
  • Melting : It is a process in which a solid changes into liquid phase by providing heat.
  • Freezing : It is a process in which a liquid transform into a solid phase.
  • Condensation : It is a process in which a water vapor(gas) changes into liquid state.
6 0
3 years ago
A piece of chalk can be broken into small particles by hammering but a piece of iron cannot be broken into small particles by ha
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Answer:

The strength of these force of attraction is lesser in chalk hence it could be easily broken into small pieces by hammering. But the strength of inter molecular force of attraction is very strong in iron therefore it is not possible to break them into pieces by hammering.

Explanation:

hope this helps :)

7 0
2 years ago
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