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marin [14]
3 years ago
6

What do comets and asteroids have in common?

Chemistry
1 answer:
Stolb23 [73]3 years ago
5 0

Answer:

They are both celestial bodies orbiting our Sun, and they both can have unusual orbits, sometimes straying close to Earth or the other planets.

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Hello can somone help me ?
zalisa [80]

174 \; \text{protons} / (29 \; \text{copper atoms} \cdot \text{proton}^{-1}) = 6 \; \text{copper atoms}

Thus 174 protons would make at most 6 copper atoms. However, it would take 174 extra electrons (29 per atom) and even more neutrons than that to construct neutral copper atoms with stable nuclei.

7 0
3 years ago
2. Soil is made of <br> A. air<br> B. rocks<br> C. decomposed leaves<br> D. all of the above
Irina18 [472]

Answer:

B

Explanation:

<h2>Soil is a mixture of </h2><h2 /><h2>tiny particles of rock,</h2>

<h2>dead plants and animals </h2>

<h2>,air and water.</h2>
3 0
3 years ago
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Find the number of moles of water that can be formed if you have 126 mol of hydrogen gas and 58 mol of oxygen gas.
Elden [556K]

Since a water molecule is H2O, you would divide 126 hydrogen molecules by 2, and you would get 63. That means you have 63 double hydrogen molecules, and 58 oxygen molecules to pair up with them. So that means you could have 58 molecules of water, with 5 double hydrogen molecules, so basically 10 extra molecules of hydrogen along with the H2O molecules. Hope I helped! :)

6 0
4 years ago
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Give two characteristics about elements
Galina-37 [17]
They can be hard or they fan be oder less
4 0
3 years ago
Does a human body use neon???
Anastaziya [24]
 <span>No uses regarding the human body; it's a noble gas and does not react with anything.</span>
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