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Since this measurement is at constant pressure (isobaric), the heat is equal to the change in enthalpy or \(\Delta H\). Note: be careful with the sign on \(\Delta H\). Heat out of the reaction is heat in to the calorimeter and vice versa.ince this measurement is at constant pressure (isobaric), the heat is equal to the change in enthalpy or \(\Delta H\). Note: be careful with the sign on \(\Delta H\). Heat out of the reaction is heat in to the calorimeter and vice versa.
Best Answer: It means under standard conditions (pH=0, P=1 bar. T=298, etc) When delta G is 0, the reaction is at equilibrium.hat is the difference between delta H and delta H knot, delta G delta G knot, delta S delta S knot?