A tetrahedral molecule has ___ regions of high electron density around the central atom. these molecules have central atoms with
2 answers:
Answer : A tetrahedral molecule has 4 regions of high electron density around the central atom. These molecules have central atoms with 0 lone pairs and 4 atoms bonded to them.
Explanation :
As we are given the molecular geometry of the molecule that is tetrahedral and the hybridization of tetrahedral molecule is, .
That means the number of electron density around the central atom is 4 and the electronic geometry or the molecular geometry of the molecule will be tetrahedral.
And these molecule have central atoms with zero (0) lone pair and four (4) atoms bonded to them.
For example : In molecule, the central atom is carbon and neighboring atoms are 4 hydrogen atoms. The number of electron density is 4 that means the hybridization will be
and the electronic geometry or the molecular geometry of the molecule will be tetrahedral.
In molecule, the central atom (carbon) has zero lone pair and the central atom (carbon) bonded with 4 hydrogen atoms.
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Answer:
The catalyzed reaction will take 2.85 seconds to occur.
Explanation:
The activation energy of a reaction is given by:
For the reaction without catalyst we have:
(1)
And for the reaction with the catalyst:
(2)
Assuming that frequency factor (A) and the temperature (T) are constant, by dividing equation (1) with equation (2) we have:
Since the reaction rate is related to the time as follow:
And assuming that the initial concentrations ([R]) are the same, we have:
Therefore, the catalyzed reaction will take 2.85 seconds to occur.
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