Standard temperature is 298K
B. Standard pressure is 1 atm
Concentration of solution must be 1 mol/dm\(^3\)
ΔH at 298 K is the activation energy
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The standard conditions for energy changes typically refer to enthalpy changes (ΔH) in the context of chemical reactions. The activation energy, on the other hand, is related to the energy required to initiate a chemical reaction, and it is not directly considered a standard condition for energy changes under standard state conditions.
Options A, B, and C are related to standard conditions for enthalpy changes, where standard temperature is 298 K, standard pressure is 1 atm, and the concentration of solution is 1 mol/dm³. Therefore, option D is not correct in the context of standard conditions for energy changes.
Reference= UNDERSTANDING CHEMISTRY
Chapter 18(Energy effects -energetics)
read everything under Standard Heat of Formation ∆H⁰f
