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kherson [118]
3 years ago
13

Explain how mass and energy are conserved when water evaporates.

Chemistry
2 answers:
weeeeeb [17]3 years ago
5 0
<span>The water molecules that are evaporationg absorb heat energy from the surrounding environment, which causes the evaporation. If 5 grams of water evaporate, then there will be 5 grams of water vapor in the air.

<span>

</span></span>
serg [7]3 years ago
4 0
Mass is conserved  as the water which evaporates appears, heat is needed for the evaporation is taken from a liquid and is conserved 
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When magma goes down into the lower part of the mantie where it is recycled and may come right back up the ocean ridge is called
maksim [4K]
Subduction zone is the answer
4 0
3 years ago
Which of the following can form a hydrogen bond with the HF molecule?
Lostsunrise [7]

Answer:

helium

(He)

Explanation:

helium

(He)

6 0
3 years ago
How hydrogen gas help to make vegetable ghee​
vladimir1956 [14]

Answer:

The vegetable oils are liquid at room temperature. They contain double bonds. During hydrogenation double bonds break hydrogen is introduced and form vegetable ghee.

Explanation:

Hydrogenation:

It is the chemical process in which hydrogen is introduced in unsaturated hydrocarbons in the presence of catalyst Ni.

Simple hydrogenation reaction:

H₂C = CH₂ + H₂    →     CH₃-CH₃

                            Ni

Hydrogenation is used on industrial level in  the production of vegetable ghee.

The unsaturated hydrocarbons, fatty acids undergoes hydrogenation and form ghee.

The vegetable oils are liquid at room temperature. They contain double bonds. During hydrogenation double bonds break hydrogen is introduced and form vegetable ghee.

4 0
3 years ago
Which best describes the oxidizing agent in this reaction?
MissTica

For the reaction Cl₂(aq) + 2 Br⁻(aq) ⇒ 2Cl⁻(aq) + Br₂(aq), Chlorine (Cl) is the oxidizing agent because it gains an electron.

<h3>What is the oxidizing agent?</h3>

In a redox reaction, the oxidizing agent is the one that gains electrons, causing the other element to oxidize.

Let's consider the following redox reaction.

Cl₂(aq) + 2 Br⁻(aq) ⇒ 2Cl⁻(aq) + Br₂(aq)

The corresponding half-reactions are:

Reduction: 2 e- + Cl₂(aq) ⇒ 2Cl⁻(aq)

Oxidation: 2 Br⁻(aq) ⇒ Br₂(aq) + 2 e-

Which best describes the oxidizing agent in this reaction?

  • Bromine (Br) is the oxidizing agent because it gains an electron. NO. Br is the reducing agent.
  • Bromine (Br) is the oxidizing agent because it loses an electron. NO. Br is the reducing agent.
  • Chlorine (Cl) is the oxidizing agent because it gains an electron. YES.
  • Chlorine (Cl) is the oxidizing agent because it loses an electron. NO. Cl gains electrons.

For the reaction Cl₂(aq) + 2 Br⁻(aq) ⇒ 2Cl⁻(aq) + Br₂(aq), Chlorine (Cl) is the oxidizing agent because it gains an electron.

Learn more about oxidizing agents here: brainly.com/question/9064518

#SPJ1

8 0
2 years ago
Which one of the following complexes can exhibit geometrical isomerism? Which one of the following complexes can exhibit geometr
just olya [345]

Answer:

[Pt(NH_{3}_{2})Cl_{2}] shows geometrical isomerism.

Explanation:

<u>Geometrical isomerism:</u>

<em>"Molecules having same molecular formula but the but difference in the arrangement of atoms."</em>

Cis and trans isomers are called geometrical isomers.

Among the given , [Pt(NH_{3}_{2})Cl_{2}] shows geometrical isomerism.

The <em>cis </em>and <em>trans</em> forms of the [Pt(NH_{3}_{2})Cl_{2}] are as follows.

5 0
3 years ago
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