Methane (ch4) is the main component of natural gas. it is burned for fuel in a combustion reaction. the unbalanced combustion reaction for methane is shown below. ch4 + o2 co2 + h2o + heat when the reaction is balanced, how many carbon dioxide molecules are produced for every methane molecule burned?

1 molecule of carbon dioxide is produced for every methane molecule.

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 reaction for combustion of methane is:

Thus for every 1 molecule of methane used 1 molecule of carbon dioxide is produced.

both adhesion and cohesion are attractions.

they are different in that adhesion is the force of attraction between the molecules of two different substances, whereas cohesion is the force of attraction between molecules of the same substance.

possible examples include capillary action, in which the adhesion between water and glass causes the water to rise in a narrow tube against the force of gravity.

because of hydrogen bonding, water is extremely cohesive.

this causes molecules on the surface of water to be drawn inward, which is why drops of water form beads on smooth surfaces.

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