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klemol [59]
3 years ago
14

If Earth is in between the sun and the Moon in both Image 1 and Image 2, why do you think a lunar eclipse is only happening in I

mage 2?
Chemistry
1 answer:
slavikrds [6]3 years ago
3 0

Answer: well I don’t have either picture but here goes anyway. It could be that the suns rotation matched up with the moon being 400 miles away from it and 400 times bigger it could be in image 1 the sun is only at a partial eclipse. With no images kinda had to wing it but I hope it helps :D

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Select the reason why two molecules of benzaldehyde cannot react via the aldol condensation.
Lesechka [4]
Benzaldehyde or C6H5CHO would not undergo the aldol condensation because it does not contain an alpha-hydrogen in its structure. Aldol condensation is a type of reaction that happens between an enolate and an aldehyde or ketone leading to a alkene that has a planar structure. The lack of an alpha-hydrogen would not allow for it to undergo such process since it cannot enolize. Benzaldehyde undergoes a nucleophilic reaction known as Claisen-Schmidt condensation. It has somehow same mechanism of the aldol reaction however, the nucleophilic attack on the carbonyl happens even without the alpha-hydrogen but with an enolate that is from a ketone.
4 0
3 years ago
Which is a fossil fuel?<br> A.nuclear<br> B.Biomass<br> C.geothermal<br> D.coal
Nat2105 [25]

Answer:

Coal

Explanation:

Coal is composed of the remains of dead animals and plants, being pressed down over the course of thousands of years.

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8 0
3 years ago
Read 2 more answers
Consider the equilibrium: HCOOH(aq) + F-(aq) &lt;----&gt; HCOO-(aq) + HF (aq) Given that the Ka of HCOOH = 1.8 x 10-4 and the Ka
Aleks [24]

Hey there!:

K = Ka * Kb / Kw

Ka = 1.8*10⁻⁴

Kb = 10⁻¹⁴ / 6.8*10⁻⁴

K =  1.8*10⁻⁴ * ( 10⁻¹⁴/ 6.8*10⁻⁴ ) * ( 1 / 10⁻¹⁴ )

K =  = 1.8 / 6.8

K = 0.265

Answer A

Therefore:

K is less than on the forward reaction is not favorable .


Hope That helps!

8 0
3 years ago
Clayton pulled his back helping friend move and uses a thermal heat wrap to ease his muscle aches. How could Clayton monitor the
Marat540 [252]
Should be THERMOMETER
6 0
3 years ago
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Explain what happens when two light waves traveling from the same direction of displacement meet.
Aneli [31]
When two waves come in contact with each other while traveling on the same medium, its called constructive interference. Constructive interference happens when two waves come together.  

7 0
3 years ago
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