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katen-ka-za [31]
3 years ago
12

Is this right?????????????????????

Chemistry
1 answer:
aleksley [76]3 years ago
7 0

C and D are correct. This is the process of replication, and option E refers to repetition.

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Why can't the reaction, ZnCl2 + H2 → Zn + 2HCI, occur naturally?
Llana [10]

Answer:

It is fairly obvious that zinc metal reacts with aqueous hydrochloric acid! The bubbles are hydrogen gas. ... In fact, electrons are being transferred from the zinc atoms to the hydrogen atoms (which ultimately make a molecule of diatomic hydrogen), changing the charges on both elements.

Explanation:

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What are the enviromental factors of cornavirus
maksim [4K]
Well, I know one. A positive: decreasing pollution because most people are in quarantine and not outside.
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Idenify each statement below as either oxidation or reduction.
Alenkasestr [34]

Answer:

1 = oxidation

2 = reduction

Explanation:

Oxidation:

Oxidation involve the removal of electrons and oxidation state of atom of an element is increased.

2I- ----> I₂+ 2e⁻

Reduction:

Reduction involve the gain of electron and oxidation number is decreased.

F + e⁻ ----> F⁻

Consider the following reactions.

4KI + 2CuCl₂  →   2CuI  + I₂  + 4KCl

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the oxidation state of carbon is +2 on reactant  side and on product side it becomes  +4 so carbon get oxidized.

Na₂CO₃ + H₃PO₄  →  Na₂HPO₄ + CO₂ + H₂O

The oxidation state of carbon on reactant side is +4. while on product side is  also +4 so it neither oxidized nor reduced.

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The oxidation sate of sulfur is -2 on reactant side and in product side it is also -2 so it neither oxidized nor reduced.

4 0
3 years ago
A carpenter uses sandpaper on a piece of wood. Before, the wood felt rough. After, the wood felt smooth. Did the friction betwee
frosja888 [35]

Answer:

<em>Friction between the hand and the wood decreased.</em>

Explanation:

The texture of the wood went from rough → smooth! This means friction between the hand and the wood was notably decreased.

According to this prompt, the carpenter used <em>sandpaper </em>against the wood. Sandpaper just so happens to be a very abrasive substance. The sandpaper polished and leveled out the wood which wore all the jutting bits away.- overall, making it much smoother and more pleasant to touch!

<em>Hope I was of assistance! </em><u><em>Have a nice day and Spread the Love! <3</em></u>

4 0
3 years ago
When looking up at the clouds, you can usually make out different shapes and figures with _____. cumulus clouds stratus clouds c
MAXImum [283]
The answer to the question stated above is cumulus clouds. 
<span>When looking up at the clouds, you can usually make out different shapes and figures with  cumulus clouds.
</span>Cumulus <span>low-level clouds. They </span>are the puffy, white, cotton-top clouds that look so soft. 
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