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bagirrra123 [75]
3 years ago
14

Sarah is investigating the transfer of energy in the

Chemistry
2 answers:
anastassius [24]3 years ago
8 0

Answer:

b

Explanation:

grandymaker [24]3 years ago
7 0

Answer:

B

Explanation:

In order for any conduction to take place it needs to go through a solid. Therefore it cannot travel through empty space

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Please help!!! i need help asap!!!
dlinn [17]
It’s A.................
4 0
3 years ago
What does the velocity of a wave describe
sveta [45]
The Velocity of a Wave<span>. If the crest of a slinky </span>wave<span> moves a distance of 20 meters in 10 seconds, then the speed of the ocean </span>wave<span> is 2 m/s. ... For a given </span>velocity<span>, if you increase the frequency, the wavelength </span>will<span> be shortened.</span>
5 0
4 years ago
Draw the other possible resonance structure of each organic ion. In each case, draw the structure that minimizes formal charges.
pshichka [43]

Three resonance structures  can be drawn for the allyl cation while two resonance structures can be drawn for the amidate ion.

Sometimes, we cannot fully describe the bonding in a chemical specie using a single chemical structure. In such cases, we have to use a number of structures which cooperatively represent the actual bonding in the molecule. These structures are called resonance or canonical structures.

The resonance structures of the allyl cation and the amidate ion are shown in the images attached to this answer. These structures show the different bonding extremes in these organic ions.

Learn more: brainly.com/question/4933048

7 0
3 years ago
How many moles of carbon are in 7.87*10^7
elena-14-01-66 [18.8K]
Well one mole of stuff, any stuff, including carbon dioxide, specifies
6.022
×
10
23
individual items of that stuff.
Explanation:
And thus we work out the quotient:
7.2
×
10
25
⋅
carbon dioxide molecules
6.022
×
10
23
⋅
carbon dioxide molecules
⋅
m
o
l
−
1
≅
120
⋅
m
o
l

carbon dioxide
.
This is dimensionally consistent, because we get an answer with units
1
m
o
l
−
1
=
1
1
mol
=
m
o
l
as required.
6 0
3 years ago
Arrange these Alkaline Earth metals from lowest to highest electronegativity: Ca, Be, Ba, Sr
a_sh-v [17]

Ca is -2

Be is stabilized

Ba is -4

Sr is -3

so it would be =>  Ba, Sr, Ca, Be

have a wonderful day! :)

6 0
3 years ago
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