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xxMikexx [17]
3 years ago
13

At what temperature will a solid melt?

Chemistry
1 answer:
jolli1 [7]3 years ago
8 0

<u>Answer</u>:

A solid will melt at the temperature at which the kinetic energy breaks the inter-molecular attractions.

<u>Explanation</u>:

The melting point is the state at which "a substance changes its temperature from a solid to  liquid". At the melting point temperature, there is an equilibrium between the both the solid and the liquid phase. When the solid particle is heated by increasing the temperature the particle in the solid vibrate quickly and it absorbs kinetic energy.

It leads to the breaking of the organisation of particle in between the solid and that leads to the melting of solid. Thus, at the melting point, the kinetic energy breaks the inter-molecular attractions.

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Plants and animals can build up or break down rock by increasing weathering, erosion, and
alexgriva [62]

Answer:

false

Explanation:

Weathering describes the breaking down or dissolving of rocks and minerals on the surface of the Earth. Water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering.

6 0
3 years ago
If you have a graduated cylinder, containing 15.5 mL and this volume changes to 95.2 mL after a metal with a mass of 7.95g is dr
xxTIMURxx [149]

Answer: The density of the object will be 9.97\times 10^{-2} g/ml.

Explanation:

Density is defined as the mass contained per unit volume.

Density=\frac{mass}{Volume}

Given : Mass of object = 7.95 grams

Volume of water displaced = volume of the object = (95.2 - 15.5) ml =79.7 ml

Putting in the values we get:

Density=\frac{7.95g}{79.7ml}=0.0997g/ml

Thus density of the object will be 9.97\times 10^{-2} g/ml

4 0
4 years ago
Suppose you made 40 atoms of Highlinium and it has a
Karo-lina-s [1.5K]

Answer:

After 6sec 5 atoms will be left.

Explanation:

Given data:

Total atoms of Highlinium = 40

Half life = 2 sec

Atoms left after 6sec = ?

Solution:

First of all we will calculate the number of half lives passes during 6sec.

Number of half lives = Time elapsed/ half life

Number of half lives = 6 sec / 2sec

Number of half lives = 3

Now we will calculate the number of atoms left

At time zero = 40 atoms

At 1st half life = 40 atoms/2 = 20 atoms

At 2nd half life = 20 atoms/2 = 10 atoms

At 3rd half life = 10 atoms / 2 = 5 atoms

Thus, after 6sec 5 atoms will be left.

6 0
3 years ago
What is caused by the tilt of Earth’s rotational axis?
barxatty [35]
The answer would be option A which is the Earth’s Orbit
6 0
4 years ago
Read 2 more answers
aspektong tumutukoy sa kaalaman at kakayahang makibahagi sa pagbuo ng makatao at makatarungang lipunan​
baherus [9]
I don’t get this question. But from what you put i’m gonna guess that it’s B because it rhymes with Bee so that’s why i’m choosing it
5 0
3 years ago
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