Heat of Formation Worksheet with chemical reactions and enthalpy data.

A worksheet titled "Heat of Formation Worksheet" displaying five chemical reactions (a through e) and a table of standard enthalpies of formation (ΔHf) for various compounds in kJ/mol. The reactions involve substances like NaOH, HCl, CO₂, CH₄, H₂S, and NO. The table lists compounds such as CH₄, CO₂, NaCl, H₂O, H₂SO₄, MgSO₄, and others with their corresponding ΔHf values.