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Rzqust [24]
2 years ago
15

WILL GIVE BRAINLIEST TO THE BEST ANSWER, AND PLEASE GIVE EXPLANATION!

Chemistry
1 answer:
Alexxandr [17]2 years ago
3 0
A.) Molecules speed up.
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A alkaline earth metal is an element is groups 3-12 of the periodic table true or false?
Karo-lina-s [1.5K]

False Alkaline earth metals is group 2

5 0
2 years ago
The _______ geometry of a water molecule is tetrahedral even though the molecular geometry is bent
IRINA_888 [86]

The electron geometry of a water molecule is tetrahedral even though the molecular geometry is bent.

As water molecule hybridisation is sp³ that provides it a electron geometry tetrahedral but due to presence of 2 lone pairs and 2 bond pairs its molecular geometry is bent.

The hybridisation sp³ makes  electron geometry of a water molecule tetrahedral but the presence of 2 lone pairs makes its  molecular geometry bent

6 0
2 years ago
Read 2 more answers
Which statement best describes the motion of
Veseljchak [2.6K]

The dye molecules  move in a directed way from high to low  concentration

Explanation:

The statement that best describes the motion of dye molecule in water is directed from a region of high to low concentration. The motion of the particles of the dye in water is described as diffusion:

  • diffusion is the movement of molecules of a substance from one position to another.
  • diffusion occurs from a region of high concentration to that of a low concentration.
  • the dye in the water solution causes an increase in concentration of an area where it is dropped.
  • this causes the particles to spread outward in the solution.
  • a concentration gradient is set up between the two parts of the solution.
  • this gradient facilitates the movement of the dye particles.

Learn more:

diffusion brainly.com/question/6873289

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4 0
3 years ago
How much heat is evolved in converting 1.00 mol of steam at 135.0 ∘c to ice at -45.0 ∘c? the heat capacity of steam is 2.01 j/(g
Viktor [21]
1 mole of steam (H2O) = 18g
Heat evolved = MCФ where m is the mass and c s specific heat capacity while Ф is change in temperature. Latent heat of fusion is 334 kj/kg while latent heat of vaporization is 2260 kj/kg and specific heat of water is 4.2 j/g/c
= 18 ×2.01 × (135-100) = 1266.3 J
    0.018 × 334000 =  6012 J (change of state from gas (steam) to liquid (water)
 18 × 4.186× (100 -0) =  7534.8 J
 0.018 × 2260000 = 40680 J (change of state from liquid to solid ice)
 18 × 2.09 × (0--45) = 1692.9 J
The total heat evolved is therefore 57186 J or 57.186 kJ
4 0
2 years ago
What would happen if N2 were added to N2(g) + O2(g) = 2NO(9) at
DerKrebs [107]

Balanced chemical equation is :

N_2(g)+O_2(g)-->2NO(g)

It is given that the equation is in equilibrium.

We need to find what will happen if we add more N_2 is added .

By Le Chatelier's principle :

Changing the concentration of a chemical will shift the equilibrium to the side that would counter that change in concentration.

It means production of the side where content is added will decrease and concentration on other side will increase .

So , more NO would form .

Therefore, option B. is correct.

Hence, this is the required solution.

4 0
3 years ago
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