Standard Enthalpy of Reaction Using Formation Enthalpies

Standard Enthalpy of Reaction Using Formation Enthalpies

### Formula:

$$\Delta H^\circ_{reaction}=\sum n\Delta H_f^\circ(products)-\sum n\Delta H_f^\circ(reactants)$$

### Terminologies:

- ΔH°reaction → Standard enthalpy change of reaction.

- n → Stoichiometric coefficient.

- ΔH_f° → Standard enthalpy of formation.

- Products → Substances formed after reaction.

- Reactants → Substances participating in reaction.

### Usage:

- Used to calculate reaction enthalpy from standard formation enthalpies.