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Elodia [21]
2 years ago
13

Oo help it’s for a grade

Chemistry
1 answer:
EastWind [94]2 years ago
8 0

Answer: D.kinectic energy

Explanation

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Answer:

first number is the correct answer

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3 years ago
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What is the approximate bond angle around the central carbon atom in acrolein?
Soloha48 [4]

Answer:

The approximate bond angle around the central carbon atom in acrolein is 120°.

Explanation:

The structure of acrolein is shown in the attachment. From the structure, we can deduce that the central carbon atom is in an sp2 hybridization (Atoms with a double bond hybridize in an sp2 fashion).

Atoms with sp2 hybridization have trigonal planar geometry, in this kind of hybridization, bonds are oriented the farthest away possible from each other, to minimize overlapping and the angle that allows that is 120°. 

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What is the reduction half-reaction for the following unbalanced redox equation?
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Answer:

C. 3.40 ppm, singlet

Explanation:

Given the information from the question .we have to select the best representation for represents the predicted approximate chemical shift and coupling for hydrogen(s). In this case, there is no neighboring hydrogen .Thus there won’t be any split .the best option answer is C. 3.40 ppm, singlet . Therefore the correct answer or option is C. 3.40 ppm, singlet.

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Silicon has a relatively large latent heat of vaporization of 12800 J/g. This indicates that silicon has:
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strong attraction between liquid particles

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