Consider the following reactions involving oxygen that occur in the upper atmosphere. O2(g)2O(g) rH=+498kJ 3O2(g)2O3(g) rH=+284kJ What is the

Consider the following reactions involving oxygen that occur in the upper atmosphere. O2(g)→2O(g) ΔrH=+498kJ 3O2(g)→2O3(g) ΔrH=+284kJ What is the enthalpy change for the following reaction? O3(g)→3O(g)

The compound carbon suboxide, C3O2(g) is used to improve dye affinity to fur. Use the following reactions to solve for the molar enthalpy of formation for carbon suboxide.


What is the molar enthalpy of formation for carbon suboxide, according to the following reaction?


Diboron trioxide, B2O3(s) has many uses including being used as an additive in the production of fibre optic cables. The following reactions can be used in the synthesis of diboron trioxide.

H3BO3(aq)→HBO2(aq)+H2O(l)ΔrH=+0.4kJ H2B4O7(aq)+H2O(l)→4HBO2(aq)ΔrH=−12.1kJH2B4O7(aq)→2B2O3(s)+H2O(l)ΔrH=+17.9kJ

Using the information above, the enthalpy change for the following reaction


Phosphoryl chloride, Cl3PO(g), has many uses including the synthesis of flame retardants and plasticizers. The following reactions are steps in the synthesis process.


What is the enthalpy of reaction for the following equation?


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