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What are the resulting coefficients when you balance the chemical equation for the combustion of ethane, C2H6? In this reaction, ethane is burned in the presence of oxygen (O2) to form carbon dioxide (CO2) and water (H2O). ____C2H6(g)+____O2(g)→____CO2(g)+____H2O(g)

Respuesta :

Answer: [tex]2C_2H_6(g)+7O2(g)\rightarrow 4CO_2(g)+6H_2O(l)[/tex]

Explanation:

When ethane is burned in presence of oxygen, it produces carbon dioxide [tex](CO_2)[/tex] and water [tex](H_2O)[/tex].

According to law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of reactants must be equal to the mass of products.

In order to get the same mass on both sides, the number of atoms of each element on product side must be same as the number of atoms of each element on reactant side.Thus the equations are balanced.

[tex]2C_2H_6(g)+7O2(g)\rightarrow 4CO_2(g)+6H_2O(l)[/tex]

The resulting coefficients when a chemical equation for the combustion of ethane, C2H6, is balanced are; 2; 7; 4; 6

The balanced chemical equation for the combustion of gaseous ethane (C2H6) is given by;  

2C2H6(g) + 7O2(g) → 4CO2(g) + 6H2O(g)

Further Explanation:

Chemical equations  

  • Chemical equations are equations showing reactions between reactants to form products.
  • Chemical equations shows the reactants or starting substances and products or substances formed during the reaction.

For example; 2C2H6(g) + 7O2(g) → 4CO2(g) + 6H2O(g)

C2H6 and O2 are the reactants while CO2 and H2O are the products.

Law of conservation of mass  

  • The law of conservation requires that when writing chemical equations, the mass of the reactants should be equal; to the mass of the products.
  • This is done by making sure the number of atoms of each element involved in the chemical equation is equal on both sides of the equation.
  • To ensure the law of conservation in chemical equations is observed we balance chemical equations.

Balancing chemical equation:

  • Balancing chemical equations is a try and error method that ensures the number of atoms in the side of the reactants is equal to the number of atoms in the side of products.
  • Balancing chemical equations may also require inclusion of state symbols which shows the state of each compound or element involved in the chemical reaction.

In the reaction:

2C2H6(g) + 7O2(g) → 4CO2(g) + 6H2O(g)

It is balanced with; 4 carbon atoms, 14 oxygen atoms, and 12 hydrogen atoms

.Ethane, oxygen, carbon dioxide and water, all are in gaseous state.

Keywords: Chemical equations, balancing of chemical equations

Learn more about:

  • Chemical equations: https://brainly.com/question/5297242
  • Balancing of chemical equations: https://brainly.com/question/5297242
  • Law of conservation of mass: https://brainly.com/question/5297242

Level: high school  

Subject: Chemistry  

Topic: Chemical equations

Sub-topic: Balancing chemical equations