Which statement best describes electrolytic and voltaic cells? a.) electrolytic cells and voltaic cells each carry out spontaneous reactions. b.) electrolytic cells and voltaic cells each carry out nonspontaneous reactions. c.) electrolytic cells carry out spontaneous reactions, but voltaic cells carry out nonspontaneous reactions. d.) electrolytic cells carry out nonspontaneous reactions, but voltaic cells carry out spontaneous reactions

The correct answer is option D.) Electrolytic cells carry out nonspontaneous reactions, but voltaic cells carry out spontaneous reactions.

Explanation:

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The voltaic cells are those in which the oxidation-reduction reaction occurs spontaneously.

On the contrary, in electrolytic cells, the oxide-reduction reactions are not spontaneous.

After the analysis, we conclude that the correct answer is option D.) Electrolytic cells carry out nonspontaneous reactions, but voltaic cells carry out spontaneous reactions.

explanation:

let the different atoms be x and y. each with four protons and same mass will be represented as follows.

mass number is number of protons + number of neutrons.

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since, it is given that one has a negative charge while the other is neutral. therefore, there will be increase in number of protons and the atom will be represented as follows.

according to periodic table, mass number of beryllium is 9 and it has atomic number 4 so, the atoms will be and .  

the protons and neutrons will be located inside the nucleus whereas the electrons will be revolving around the nucleus.  

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