Question

What is the enthalpy change of reaction for this reaction?

Answer 1

Remember that an enthalpy change is the heat evolved or absorbed when a reactiontakes place at constant pressure. The standard enthalpy change of a reaction is the enthalpy change which occurs when equation quantities of materials reactunder standard conditions, and with everything in its standard state.

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Answer 2

an enthalpy change is the heat evolved or absorbed when a reaction takes place at constant pressure. The standard enthalpy change of a reaction is the enthalpy change which occurs when equation quantities of materials react under standard conditions, and with everything in its standard state.