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ankoles [38]
3 years ago
5

What does the kinetic theory explain?

Chemistry
2 answers:
olya-2409 [2.1K]3 years ago
6 0
I believe the correct answer from the choices listed above is the third option. The kinetic theory explains that heat is due to the motion of molecules. Temperature is the measurement used to measure heat and is directly proportional to the average kinetic energy of the molecules.  
Oksi-84 [34.3K]3 years ago
3 0

Answer:  Heat is due to the motion of molecules.

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What type of energy is stored in the bonds of chemical compounds? chemical energy compound energy element energy kinetic energy.
Allisa [31]

Answer:

chemical energy, Energy stored in the bonds of chemical compounds. Chemical energy may be released during a chemical reaction, often in the form of heat; such reactions are called exothermic.

5 0
2 years ago
The reaction 2a → a2​​​​​ was experimentally determined to be second order with a rate constant, k, equal to 0.0265 m–1min–1. if
olga nikolaevna [1]
According to the second order formula:
1/[At] = K t + 1/[Ao]
and when we have the K constant =0.0265 & we have t = 180 min & we have the initial concentration of A = 4.25 so by substitution:

1/[At]  = 0.0265 X 180min + 1/4.25 
1/[At] = 5
∴[At] = 1/5 = 0.2 m
7 0
3 years ago
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Nitrogen gas is a diatomic molecule. what is the mass of one mole of nitrogen gas?
notka56 [123]
Atomic mass of N from periodic table is 14 amu so atomic mass of N₂ will be 2 * 14 = 28 amu 

This means that every mole of N₂ has mass equal to 28 g 
5 0
3 years ago
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What is the lowest numbered energy level where a d sublevel is found?
UkoKoshka [18]

Answer : The lowest numbered energy level where a 'd' sublevel is found is 3.

Explanation : According to the theory of order of electron filling;

The 4s orbitals is observed to have a lower energy than the 3d, and so the 4s orbitals are filled first.

It is known that 4s electrons are lost first during ionisation activity. Therefore, the electrons lost first will come from the highest energy level, furthest from the influence of the nucleus.

So, the lowest energy level where 'd' sub shell will be found is 3d.

4 0
3 years ago
Read 2 more answers
What kind of change took place when the magnesium was heated?
Dmitrij [34]

Answer:

You can see that it is an endothermic reaction or heat is being absorbed for the change from magnesium to magnesium oxide. So it is an endothermic reaction. So these are the four reasons why we can say that burning of magnesium ribbon in the air is considered a chemical change.

Explanation:

hope it help

6 0
2 years ago
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