Which of the following mole ratios is not correct in the reaction below: N2 + 3 H2> 2 NH3

mol H2 / I mol NH; 3
mol H/ 1 mol N 3
mol N2 / 2 mol NHz 1
mol NHz / 3 mol H2

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d.) circle motion requires a force to give it a centripetal acceleration.

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.