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Y_Kistochka [10]
3 years ago
8

What is the name of an atoms inner region

Chemistry
1 answer:
Andre45 [30]3 years ago
5 0

Im pretty sure it's the nucleus

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State the assumptions that the kinetic-molecular theory makes about the characteristics of gas particles
Marrrta [24]

The kinetic-molecular theory explains the properties of the gases in terms of energy, size and motion of their particles.


The assumptions that the kinetic-moletuclar theory makes about the characteristics of gas particles are:


1. Gases are constituted by a large amount of particles (atoms or molecules) symilar to solid spherical sphers, in constant and random motion.


2. Gas particles move in straight line until collide with another particle or the walls of the vessel.


3. Gas particles are so small compared to the distances that separate them, that the volume of the gas is considered empty space: the volume of the particles is neglected.


4. Beside the already mentioned collisions with the walls of the vessels or between the particles, there is no interaction (attractive or repulsive forces) acting on the gas particles.

 

5. The collisions between gas particles or with the walls of the vessel are elastic: there is not loss of energy.


6. The average kinetic energy of the particles in a gas depends only on the absolute temperature of the gas: at a given temperatue every gas have the same average kinetic energy.


That collection of assumptions are used to explain such things as: the relation  of pressure withthe  number of particles, the relation of pressure and temperature, the relation of pressure and volume, the relation of volume and temperature, Avogadro's hypothesis (relation of volume and number of particles), Dalton's Law of partial pressures, and both effusion and difusion.

5 0
3 years ago
A molecule has an empirical formula of ch, and its molar mass is known to be 26 g/mol. What is its molecular formula?.
Sonbull [250]

A molecule has an empirical formula of ch, and its molar mass is known to be 26 g/mol and the  molecular formula is C₂H₂ ethyne

Molecular formula of compound is (CH)n and the given molar mass is 26g/mol

Molar mass of (CH)n, C=12=n(12+1)=13n

So 13n and n=2

=13×2=26 and given molar mass is also 26g/mol

So here two carbon and two hydrogen so molecular formula is C₂H₂ and name is ethyne

Know more about molecular formula

brainly.com/question/28496692

#SPJ4

7 0
2 years ago
What is the relationship between the concentration of particles in a solution and the solution’s vapor pressure? As solute conce
kap26 [50]

Answer:

As solute concentration increases, vapor pressure decreases.  

Step-by-step explanation:

As solute concentration increases, the number of solute particles at the surface of the solution increases, so the number of <em>solvent </em>particles at the surface <em>decreases</em>.

Since there are fewer solvent particles available to evaporate from the surface, the vapour pressure decreases.

C. and D. are <em>wrong</em>. The vapour pressure depends <em>only</em> on the number of particles. It does not depend on the nature of the particles.

5 0
3 years ago
Read 2 more answers
Bond length is the distance between the centers of two bonded atoms. On the potential energy curve, the bond length is the inter
vredina [299]

Answer:

The answer is "152 pm".

Explanation:

The bond length from the values inside the atomic radii is calculated according to the query. This would be the upper limit of a molecule's binding length.

The atomic radius of H= 37.0 \ pm

The atomic radius of Br = 115.0 \ pm

\text{Bond length = Atomic radius of H + Atomic radius of Br}

                    = 37.0\ pm + 115.0 \ pm\\\\= 152\ pm

3 0
3 years ago
Draw the structure of an alkane or cycloalkane that has more than three but fewer than ten carbon atoms, and only primary hydrog
goldfiish [28.3K]

Answer:

The structures are shown in the figure.

Explanation:

The primary hydrogens are those which are attached to primary carbon.

Primary carbons are the carbons which are attached to only one carbon.

Primary carbons is bonded to three hydrogens.

In order to draw such structure we will draw structures which will have carbon with three hydrogens or no hydrogens (quaternary)

The structures are shown in the figure with clear marking.

7 0
3 years ago
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