3 years ago

How do lewis dot structures help students visualize electron bonding arrangements?

1 answer:

6 0

The dots in the Lewis structure represents the valence electron of the atom/molecule. The valence electrons surrounds the atom/molecule. The rest all bonds are represented by line be it single, double or triple bond.

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Nonrenewable energy sources _____.

shusha [124]

Non-renewable energy sources CAN EVENTUALLY BE USED UP.

Non renewable energy sources refer to those energy sources that can not be replenished. Once they are used up, new one can not be formed or produced, this is because they can only be formed by natural processes and these processes take millions of years to occur. Examples of non renewable energy sources are: coal, natural gas and oil. All the fuels obtained from fossils are non renewable in nature.

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3 years ago

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A. draw the structure of the tetrahedral intermediate initially formed in the reaction shown. you do not have to consider stereo

julsineya [31]

The reaction is shown below, Acid protonates the carbonyl oxygen and makes the carbonyl carbon more electrophilic. Water attacks on activated carbonyl group and forms a tetrahedral intermediate.

Intermediate:
Structure of Intermediate is shown both in 2-D and 3-D (below attached).

Carbonyl group is regenerated with the elimination of ethanol.

Reaction is as below, The final product is carboxylic acid.