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il63 [147K]
2 years ago
15

Would you expect the substance to float or sink in water if mass is 25g and volume is 7 cm​

Chemistry
1 answer:
Sonbull [250]2 years ago
4 0

Answer:

Sink

Explanation:

For a substance to float in water, it must be less dense than water. The density of water is 1 g/cm^3. To find the density of the substance, we can do mass/volume, which in this case is 25g/7cm^3. We see that 25/7 > 1, so the substance would sink.

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Who no this i need help i need to pass to the next grade
Hitman42 [59]

Exothermic reactions is where  energy is released. Exothermic reactions are reactions that release energy into the environment in the form of heat. Exothermic reactions feel warm or hot or may even be explosive.

7 0
3 years ago
Please answer with an actual answer and not just put a random word ^-^
WARRIOR [948]

Which eclipse was modeled when the large ball was between the small ball and the light?

The model is a "Lunar Eclipse" (If it was talking about the earth, then yes, it is a lunar eclipse).

<u>                                                               </u>

Which eclipse was modeled when the small ball was between the large ball and the light?

The model is a "Solar Eclipse".

<u>                                                               </u>

What does the large ball represent?

The earth.

<u>                                                               </u>

What does the small ball represent?

The moon.

<u>                                                               </u>

What does the light source represent?

The sun.

Hope this helps!~ <3

(I can't draw so sorry.)

<u />

6 0
3 years ago
Select the correct answer.
zalisa [80]

Well, this is somewhat difficult, because an electron already creates an electric field.  However, I know that when an electron moves it then creates a magnetic field.  So, I'm going to safely assume that when an electron moves, it creates an electric, a magnetic, and a gravitational field.  

I hope that helps!

8 0
3 years ago
Read 2 more answers
Which statement about nuclear fission and nuclear fusion is not correct?
nikdorinn [45]

Answer:c

Explanation: just took the test

5 0
3 years ago
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Which neutral element does the orbital diagram represent?
valentinak56 [21]

Answer:

Silicon

Explanation:

The total of electrons: 2 + 2 + 6 + 2 + 2

In neutral state: #electrons = #protons = 14

so element with atomic number of 14 is silicon

3 0
1 year ago
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