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vovikov84 [41]
3 years ago
5

What element has only two half-filled orbitals in the 3d sublevel?

Chemistry
2 answers:
xenn [34]3 years ago
7 0
It’s either Nickel or Titanium.
Ti ends in 3d2, 2 1/2filled d orbitals
Ni ends in 3d8, with the last 2 d orbitals being 1/2 filled
Ge and Si have full d orbitals
azamat3 years ago
4 0

I'm not sure, but I think its Vandium.


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A container is at a pressure of 3 atm and a temperature of 280K. What is the new temperature when the pressure is reduced to 1.5
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140 K

Explanation:

Step 1: Given data

  • Initial pressure of the gas (P₁): 3 atm
  • Initial temperature of the gas (T₁): 280 K
  • Final pressure of the gas (P₂): 1.5 atm
  • Final temperature of the gas (T₂): ?

Step 2: Calculate the final temperature of the gas

We have a gas whose pressure is reduced. If we assume an ideal behavior, we can calculate the final temperature of the gas using Gay-Lussac's law.

T₁/P₁ = T₂/P₂

T₂ = T₁ × P₂/P₁

T₂ = 280 K × 1.5 atm/3 atm = 140 K

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