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nataly862011 [7]
3 years ago
9

Please help, this homework is due soon and I keep getting stuck.

Chemistry
2 answers:
julia-pushkina [17]3 years ago
8 0
A is Tetrahedral

B is Bent

C is Trigonal Pyramidal

D is Trigonal Planar

E is Linear

F is Linear

Hope this helps! :)


timofeeve [1]3 years ago
3 0
A is Tetrahedral

B is Bent

C is Trigonal Pyramidal

D is Trigonal Planar

E is Linear

F is Linear
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The molecule with higher dipole moment is COFH because the geometry of the molecule in the COF2 nearly cancel the dipolar moment of each other. To be more clear:

The dipolar moment is the vectorial sum of all bond moments in the molecule or dipolar moment of each bond. The dipolar moment of a molecule with three or more atoms is determined by bond polarity as their geometry.

COF2 has a trigonal planar structure which are symmetric. The electronegativity of oxygen is slightly different regarding fluor. So as you can see in the image, the electronic density is specially displaced to the fluor atoms, but either to the oxygen atom.

COFH has a trigonal structure but differs from COF2 because there is an hydrogen who is donating it's electronic density, so in this zone the electronic density is less than over oxygen or fluor. That makes bond angles be different between them.

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Using the balanced equation given below, calculate the number of moles of CaBr2 produced in the reaction of 5.0 moles of AlBr3.
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7.5 moles of CaBr2 are produced

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Based on the equation:

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<em>2 moles of AlBr3 produce 3 moles of CaBr2 if CaO is in excess.</em>

<em />

Using this ratio: 2 moles AlBr3 / 3 moles CaBr2. 5 moles of AlBr3 produce:

5 moles AlBr3 * (3 moles CaBr2 / 2 moles AlBr3) =

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