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Enthalpy Change Calculation

November 8, 2014January 28, 2021 Surfguppy1 CommentThermodynamics

Propane Combustion When 0.5 g of propane is burned, the heat produced is used to raise the temperature of 100 cm³ of water from 20ºC to 40ºC. Calculate the enthalpy change (ΔH) for the reaction. Given the density of water Read More …

Gibb’s Free Energy – Ammonia

May 8, 2014December 1, 2020 SurfguppyLeave a commentThermodynamics

The Haber process to manufacture ammonia using nitrogen and hydrogen is given by the equation below: Calculate Gibb’s free energy change (ΔG) at 298 K temperature. Given the entropy change (ΔS): -198 J K⁻¹ mol⁻¹ Enthalpy change (ΔH): -92 kJ Read More …

   
  
 
 
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Enthalpy Change Calculation

Gibb’s Free Energy – Ammonia