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Archy [21]
4 years ago
13

Mantle material rises in convection currents because heated materials becomes more dense

Chemistry
1 answer:
sergey [27]4 years ago
3 0
Heated mater rises and cold mater sinks
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Amount moles 167 g of nitrogen​
skad [1K]
11.9 if i read your question correctly sorry if it’s wrong lol
5 0
3 years ago
Do all materials respond to heat in the same way?
LenaWriter [7]

Answer:

No.

Materials like water get evaporated when heated, but materials like camphor get sublimed that is they directly get converted into gaseous form when heated, while materials like copper gets melted on heating

4 0
3 years ago
Coefficient in a sentence? In chemistry
Readme [11.4K]

Answer:

Arrhenius has pointed out that the coefficient of affinity of an acid is proportional to its electrolytic ionization.

Explanation:

4 0
3 years ago
What is the number of electrons shared between the atoms in a molecule of nitrogen, N2
Murljashka [212]

Answer:

3 electrons is contributed from each Nitrogen atom.

Total 6 electrons are shared in N₂.

Explanation:

  • Nitrogen is belong to group VA
  • it have 5 electron in its outer most Shell.
  • it need 3 electrons complete its octet to become stable.
  • Nitrogen have total 7 electrons.
  • its atomic number is 7

The electronic configuration of Nitrogen is as:

1s², 2s², 2p³

it exist in diatomic form standard temperature and pressure.

Nitrogen form covalent bond and share 3 electron from each side.

total 6 electron are shared between 2 nitrogen atom.

For Covalent bonding it can share its 3 electrons.  

The diagrammatic representation is in attachment.

                   

5 0
3 years ago
How many w atoms are found in 0.43 moles of pure w
Lerok [7]

So, neon has a molar mass of 20.18 g/mol , which means that every mole of neon has a mass of 20.18 g . Now, you know that one mole of any element contains exactly 6.022⋅1023 atoms of that element - this is Avogadro's number.

Hope this helped

3 0
3 years ago
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