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goblinko [34]
3 years ago
7

To create hydrogen and oxygen from water, you would need to perform which type of reaction?

Chemistry
2 answers:
Murrr4er [49]3 years ago
6 0
B. Decomposition is the correct answer~
Lana71 [14]3 years ago
6 0

Answer is: B. Decomposition.

Decomposition is reaction where one substance is broken down into two or more simpler substances.

Electrolysis of water is the decomposition reaction, because from one molecule (water) two molecules (hydrogen and oxygen) are produced.

Water is separeted into two molecules:

Reaction of reduction at cathode: 2H⁺(aq) + 2e⁻ → H₂(g).

Reaction of oxidation at anode: 2H₂O(l) → O₂(g) + 4H⁺(aq) + 4e⁻.

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vova2212 [387]

Answer:

1.4 g/cm3

Explanation:

Density = Mass/Volume

Mass = 21g

Volume = 15cm3

Density = 21/15 = 1.4

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An alpha particle is equivalent to a _____ nucleus.
astra-53 [7]
Alpha particle is equivalent to B. Helium atom (2 protons, 2 neutrons) 
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sertanlavr [38]

Answer:

Products

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During a chemical reaction, there are the reactants (left side), and the products (right side).

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Slav-nsk [51]
Pretty sure it's the Precambrian.

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3 years ago
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KATRIN_1 [288]

Explanation:

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A typical example of such reaction is the radioactive decay.

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When radioactive elements are let alone, they decompose to form  stable harmless elements.

An example of radioactive decay is attached in the image below;

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