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I am Lyosha [343]
3 years ago
9

A sample of a substance has a high density, yet a low particle motion. This sample must be a

Chemistry
2 answers:
Naily [24]3 years ago
8 0

Answer:

solid

Explanation:

i did the usatestprep

MA_775_DIABLO [31]3 years ago
4 0

Answer:

Solid  

Explanation:

The particles in a solid are packed together in a crystal lattice. Since there are so many particles in a small volume, the substance has a high density.

The particles are locked in position in the solid. They cannot move past each other. All they can do is vibrate about their equilibrium position

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What is a reaction rate?
kondaur [170]

Answer:

A reaction rate is a measure of how fast a reactant disappears or a product forms during a reaction.

Explanation:

It is usually defined as the change in concentration per unit time:

Δ(concentration)/Δt

The units are (moles per litre) per second.

In symbols, the units are mol/(L·s) or mol·L^-1 s^-1.

7 0
3 years ago
What type of energy is a light switch
topjm [15]

Answer:

electrical

Explanation:

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7 0
3 years ago
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Which of the following affects the speed of a seismic wave?
scoray [572]

Explanation:

The speed of seismic waves is affected by the density of the underlying rock.

Seismic waves are elastic waves that transmits elastic energy from one point to the other.

These waves generally produced during an earthquake.

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  • Rocks that are well packed with little to no void have a higher seismic velocity.
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3 0
3 years ago
Since the number of atoms in a substance is so large , a unit to count them was created. This unit is the number of atoms in 12
larisa86 [58]

The number of atoms in one mole of any substance is measured by Avogadro's number. The value of Avogadro's number is 6.023 x 10 ^23. It is named after scientist Avogadro who proposed this number. 12 grams of carbon-12 represents 1 mole of carbon-12. For this reason, the number of atoms present in 1 mole of any substance is 6.023 x 10 ^23. Therefore, the number of atoms present in 1 mole carbon-12 is 6.023 x 10^23.


(Answer) This unit is the number of atoms in 12 grams of carbon-12 and known as Avogadro's number.

7 0
3 years ago
How many control(s) are in an experiment
weqwewe [10]
You can have as many controls as necessary, But they must remain equal at all times in order to get the most accurate results
6 0
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