1)
ΔS=QtotalT=ΔH×nT=5.37×103×4.5273−89.5=24.17×103183.5=131.72JK−1\Delta S =\frac{Q_{total}}{T}=\frac{\Delta H\times n }{T}=\frac{5.37\times10^3\times4.5}{273-89.5}=\frac{24.17\times10^3}{183.5}=131.72JK^{-1}ΔS=TQtotal=TΔH×n=273−89.55.37×103×4.5=183.524.17×103=131.72JK−1
2)
ΔS=QtotalT=ΔH×nT=26.5×103×4.3273+34.6=113.95×103317.6=358.78JK−1\Delta S =\frac{Q_{total}}{T}=\frac{\Delta H\times n }{T}=\frac{26.5\times10^3\times4.3}{273+34.6}=\frac{113.95\times10^3}{317.6}=358.78JK^{-1}ΔS=TQtotal=TΔH×n=273+34.626.5×103×4.3=317.6113.95×103=358.78JK−1
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