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sergey [27]
3 years ago
9

Balance the following redox reaction in acidic solution: H+(aq)+Zn(s)→H2(g)+Zn2+(aq)

Chemistry
1 answer:
erma4kov [3.2K]3 years ago
5 0
2H⁺(aq) + Zn(s) ----> H2(g) + Zn²⁺(aq)

2H⁺(aq) +2e⁻ ----->H2(g)            reduction
<span><u>Zn(s)            ------>Zn²⁺ +2e⁻      oxidation</u>
</span>2H⁺(aq) + Zn(s) -----> H2(g) + Zn²⁺
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<span>Now, as we know the actual molar mas being 280 g/mol, we divide this number by 70 and we get the ratio between empirical formula and molecular actual formula: </span>

<span>280 / 70 = 4 </span>

<span>This means that actual molecular formula is: </span>

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Explanation :

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Exothermic reaction : It is defined as the chemical reaction in which the energy is released into the surrounding.

In the exothermic reaction, the energy of reactant are more than the energy of product.

Enthalpy of reaction : It is the difference between the energy of product and the reactant. It is represented as \Delta H.

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