Methanol, CH3OHCH3OH , is formed from methane and water in a two‑step process.   Step 1:Step 2:CH4(g)+H2O(g)CO(g)+2H2(g)⟶CO(g)+3H2(g)⟶CH3OH(l)Δ?∘=214.7 J/KΔ?∘=−332.3 J/KStep 1:CH4(g)+H2O(g)⟶CO(g)+3H2(g)ΔS∘=214.7 J/KStep 2:CO(g)+2H2(g)⟶CH3OH(l)ΔS∘=−332.3 J/K   Calculate Δ?∘ΔH∘ and Δ?∘ΔG∘ at 298 K for step 1. Standard enthalpy of formation values can be found in the table of thermodynamic properties. Δ?∘=ΔH∘=     Δ?∘=

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Methanol, CH3OHCH3OH , is formed from methane and water in a two‑step process.

 

Step 1:Step 2:CH4(g)+H2O(g)CO(g)+2H2(g)⟶CO(g)+3H2(g)⟶CH3OH(l)Δ?∘=214.7 J/KΔ?∘=−332.3 J/KStep 1:CH4(g)+H2O(g)⟶CO(g)+3H2(g)ΔS∘=214.7 J/KStep 2:CO(g)+2H2(g)⟶CH3OH(l)ΔS∘=−332.3 J/K

 

Calculate Δ?∘ΔH∘ and Δ?∘ΔG∘ at 298 K for step 1. Standard enthalpy of formation values can be found in the table of thermodynamic properties.

Δ?∘=ΔH∘=
 
 
Δ?∘=
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