Pentane (c5h12) reacts with oxygen (o2) to form carbon dioxide (co2) and water (h2o) according to the following reaction. answer the question(s) that follow about this reaction. __c5h12 + __o2 → __co2 + __h2o 9) what is the coefficient for oxygen in the balanced equation

 The coefficient for oxygen in the balanced equation is 8.

Explanation:

According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.

The balanced chemical equation for combustion of pentane will be:

Thus the coefficient for oxygen in the balanced equation is 8.

The oxygen gas has a coefficient of 8

Explanation:

Balanced chemical equation is defined as the equation in which total number of individual atoms on the reactant side will be equal to the total number of individual atoms on the product side. These equations follow law of conservation of mass.

The balanced chemical equation for the combustion of pentane follows:

By Stoichiometry of the reaction:

1 mole of pentane reacts with 8 moles of oxygen to produce 5 moles of carbon dioxide and 6 moles of water

Hence, the oxygen gas has a coefficient of 8

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c, liquids evaporate, creating a gas