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alexandr402 [8]
3 years ago
15

What is the sequence of energy transformations that occur in a nuclear reactor?

Chemistry
2 answers:
fredd [130]3 years ago
7 0
B. nuclear to thermal to mechanical to electrical
frutty [35]3 years ago
3 0

Answer: B- nuclear—- thermal energy—- mechanical—-electrical energy

Explanation:

Just took the test and got it right

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NH3 + H2O <br> How do I balance this
Alla [95]

Answer:

NH3 +H2O = NH4OH

Explanation:

no.of N atoms,O atoms and H atoms are now equal on both sides of the arrow.

5 0
3 years ago
In the determination of iron in an ore, the ore (mostly Fe2O3) is first dissolved in HCl(aq). A slight excess of Sn2 is added to
katovenus [111]

Answer:

2Fe⁺³ + Sn₂ → 2Fe⁺² + 2Sn⁺²

Explanation:

A redox reaction occurs between a compound that loses electrons and others that gain an electron. The first is being oxidized, and the other is being reduced.

In this situation, in the compound Fe₂O₃, the iron, has an oxidation number equal to +3, so it's Fe⁺³, and it will gain 1 electron to become Fe⁺². Because it was first dissolved in HCl, we must use the ion at the equation. The other compound Sn₂ will be oxidized to Sn⁺², so it will need to lose 2 electrons.

So, it will be necessary 2 Fe⁺³ for this reaction happen:

2Fe⁺³ + Sn₂ → 2Fe⁺² + 2Sn⁺²

8 0
3 years ago
Which phrases describe all the outer planets' motion? Check all that apply.
viktelen [127]
  1. answer:fast rotation. 2. explanation: I choose this as my answer because when the outer planets orbit it move faster
3 0
3 years ago
Identify each substance as an acid or a base.
svp [43]

Explanation:

<u>The first one is a base</u>

<u>The second one is an acid</u>

A base has a pH above 7

An acid has a pH below 7

Hope I helped!!! Have a great day!

4 0
3 years ago
Read 2 more answers
Nitrogen is an atom or molecules​
Pavel [41]

Answer:

Nitrogen will called as atom or molecule or ion too in the state which it exist means in which form it is present . 

7 0
2 years ago
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