The Combustion of gasoline follows the following balanced equation. 2C8H18 + 25O2 → 18 H2O + 16 CO2 + Energy
If you have 4 moles of C8H18 (Isooctane) and 40 moles of O2 (oxygen gas) which reactant is the limiting reactant and which is the excess reactant.
Explain how you made that determination.
Include another real-world example to explain the concept of a limiting reactant.
(Your writing should include scientific terminologies such as moles, limiting reactant, excess reactant, and product)

a electronegativity decreases beacuse the size of nucleus is bigger.

definition

                    entropy is a measure of the randomness or the extent of disorder of a chemical process.

                      enthalpy is a measure of the heat change of a reaction occurring at a constant pressure.

measurement units:

                        entropy is measured in joule per kelvin (jk⁻¹)   whereas enthalpy is measured in joule per mole (jmol⁻¹)

requirements:

                            entropy has no requirements or limits, and its change is measured by the division between the heat change of the chemical process and the temperature.

                              in contrast, enthalpy can only be related to the heat change of the reaction under standard conditions.

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