According the equation: 2H, O+ electricity → 2H2 + O2 A) An electrolytic cell, because it absorbs energy.

B) A voltaic cell, because it releases energy. C) A voltaic cell, because it absorbs

energy.

D) An electrolytic cell, because it releases energy.

E) All of them

A) An electrolytic cell, because it absorbs energy.

Explanation:

The major difference between an electrolytic cell and a voltaic cell is that, in an electrolytic cell, there must be input of energy from outside (a cell) to drive the non spontaneous reaction while in a voltaic cell, the reaction proceeds on its own and releases energy which could be harnessed to do work.

Hence, considering the equation; 2H2O+ electricity → 2H2 + O2 , energy is supplied as electricity in order for the process to take place. This is an example of an electrolytic cell.

the law of conservation of mass states that in a chemical reaction, the total mass of reactants is equal to the total mass of products. because atoms are only rearranged in a chemical reaction, there must be the same number of sodium atoms and chlorine atoms in both the reactants and products

answer by yourhope:

how do models compare to real-world objects?

d. most models represent a real-world object in a simpler way.

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