Year Carbon Emissions (gigatons) Temperature (Fahrenheit) 1960 4.2 57.2

1970 5.8 57

1980 6.2 57.4

1990 7.8 57.6

2000 8 58

2010 9.8 58

Increase carbon dioxide emissions by 0.2 for each step forward for the rest of scenario three.

2020

2030

2040

2050

2060

2070

2080

2090

2100

2110

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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