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OleMash [197]
4 years ago
9

Given the different molecular weights, dipole moments, and molecular shapes, why are their molar volumes nearly the same?

Chemistry
1 answer:
Marina CMI [18]4 years ago
8 0

Answer:

option d

Explanation:

Molecular sizes of gaseous molecules are very less. Volume occupied by the all the molecules of the gases are very less or negligible as compared to the container in which it is kept. Therefore, most of the volume occupied by gaseous molecules are negligible.

Volume occupied by the gaseous molecules are actually the volume of the container and its does not depend upon the amount, molecular mass or dipole moment of the gaseous molecules.

Therefore, the correct option is d ‘Because most of the volume occupied by the substance is empty space.’

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ladessa [460]

A . A person Jumping represents an unbalanced force.

<u>Explanation:</u>

If equal amount of force applied on any object from both the directions, then the object will not move and so the force is a balanced force.

If an unequal amount of force on an object from both sides then the object will move in the opposite direction of the maximum force applied, so it is called as an unbalanced force.

  • When the force is unbalanced then its velocity will change, so options C and D are omitted.
  • In Option B the vase is sitting on a table, just kept so there is no action of any unbalanced force.
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4 years ago
Which element would have the greater difference between the first ionization energy and the second ionization energy
andrew-mc [135]

Answer:

Lithium has the greatest difference between its first and second ionization energies.

8 0
3 years ago
Why is thermal energy from the sun transferred to Earth through electromagnetic waves, instead of any other type of thermal ener
nlexa [21]

Answer: B) Electromagnetic waves can travel through empty space.

Explanation:

Conduction: This type of heat transfer happens when there is direct contact between the two object.  Example: heating a pan on stove.

Convection: This type of heat transfer happens when there is a movement of fluid (liquid or gas) due to the movement of hot layers to the top and cold layers to the bottom which leads to convection currents. Example: Heating of swimming pool.

Radiation: This type of heat transfer happens when there is direct transfer of energy through empty space.The electromagnetic radiation from the surface of an object which is due to the object's temperature is radiation. Example: Heating of earth's surface.

 

4 0
3 years ago
Which pair of molecules is not a polar bond?<br><br> A) N-O<br> B) C-O<br> C) O-H<br> D)O-o
kolbaska11 [484]
D) O-O

The higher the difference in electronegativities of the two atoms, the more polar it is. Although oxygen is a very electronegative atom, it is bonded to itself which would make it a nonpolar bond.
4 0
4 years ago
Read 2 more answers
I need help with this
NARA [144]
Protons in any atom are always located in the nucleus.

Also, the number on the bottom left is the atomic number which represents the number of protons in an atom.
4 0
3 years ago
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