Question

Given: NO(g)+O3(g)=>NO2(g)+O2(g)...O3(g)=>3/2O2(g) and O2(g)=>2O(g)... Change in heat=-198.9 kJ/mol, change in heat=-142.3 kJ/mol and change in heat=+495 kJ/mol...determine the enthahlapy change of 2NO2=>2NO(g)+O2(g)

Answer 1

h20=>ion+20(g)