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Julli [10]
2 years ago
7

Please do this please please it depends on my grades

Chemistry
2 answers:
Nuetrik [128]2 years ago
5 0
It is A, i hope this helps
solong [7]2 years ago
4 0

Answer:

I think it's

Explanation:

It's A and C

I guess...

Sry if I'm wrong

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Help with number 3 plz help due tomorrow!!!!!!!!!!
IceJOKER [234]

Answer:

which one?

Explanation:

???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

4 0
3 years ago
Read 2 more answers
Carbon-12 contains 6 protons and 6 neutrons. The radius of the nucleus is approximately 2.7 fm (femtometers) and the radius of t
Slav-nsk [51]

Explanation:

Let us assume that volumes is equal to spheres  volume of nucleus.

fm = femto meter = 10^{-15}

pm = pico meter = 10^{-12}

Hence, calculate the volume as follows.

          V = \frac{4}{3} \times \pi \times r^{3}

              = \frac{4}{3} \times 3.14 \times (2.7)^{3}

              = 82.4481 fm^{3} (cubic femtometers)

or,          = 82 fm^{3}

Now, we will calculate the volume of the atom as follows.

          V = \frac{4}{3} \times \pi \times r^{3}

             = \frac{4}{3} \times 3.14 \times (70)^{3}

             = 1436758.4 pm^{3} (cubic picometers)

thus, we can conclude that volume of the nucleus is 82 fm^{3}  and volume of the atom is 1436758.4 pm^{3}.

7 0
3 years ago
The
mel-nik [20]

Answer:

So the asnwer is 66666666666666666666666666666666666666666666666666666666666666666666666666666666666668888844444444444444444443299997832........................................................4563ygfdjuzgu3456655555555555555555555553444446445444444555554

Explanation:

7 0
3 years ago
Dissolving salt in water reduces the intermolecular forces between water molecules. What most likely happens to the surface tens
Svetllana [295]

If we dissolve salt in water they will reduce the intermolecular forces between water molecule and this will decrease the surface tension.

Surface tension is due to cohesive forces (the forces between molecules of same substance) hence as cohesive forces decreases the surface tension also decreases

7 0
3 years ago
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The graph below shows how the amount of carbon dioxide (CO2) in our atmosphere has changed since 1960. A graph that plots the am
fenix001 [56]

Answer:

greenhouse effect

Explanation:

8 0
3 years ago
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