Write a balanced equation for the combustion of 1 mol of c8h18(l). express your answer as a chemical equation including improper fractions for fractional coefficients. identify all of the phases in your answer.

The balanced chemical equation is given below.

Explanation:

Combustion reaction is defined as the chemical reaction in which a hydrocarbon reacts with oxygen gas to produce carbon dioxide gas and water molecule.

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

The chemical equation for the combustion of octane follows:

By Stoichiometry of the reaction:

1 mole of liquid octane reacts with moles of oxygen gas to produce 8 moles of carbon dioxide gas and 9 moles of water vapor.

Hence, the balanced chemical equation is given above.

the best answer is d because the strong cohesion is caused by the ability of water molecules to undergo hydrogen bonding.

a is incorrect because when water solidifies, it becomes   ice, which expands and occupies a bigger volume for the same mass of water in its liquid state.

b is incorrect because water has high surface tension. besides bonding to itself it hydrogen bonds to other molecules at the top decreasing possibility for breaking of attractive forces.

c is incorrect because the water molecule has oxygen which is highly electronegative and so pulls the electron pair towards itself creating a dipole moment, making the molecule polar.

e is incorrect because water has strong adhesion, ability to stick to other molecules such as glass because of this molecules having stronger hydrogen bonding than water.