[填空题]
The feasibility of a reaction proceeding spoxj uq:i) (m6skb y9z.hntaneously can be predicted us/z8x xf,nxc34sb)rg4zlir 5vf v)h 1ming the fox) xgcn z4brh8v) m31,f 4/z5r fvlsixllowing equation:
ΔG=−TΔS+ΔH.
Where ΔG is the change in Gibb’s free energy, ΔS is the change in entropy, and ΔH is the change in enthalpy.
1.When ΔG<0, a reaction can be described as spontaneous. Use the graph above to deduce the lowest temperature at which the reaction becomes spontaneous.
Read graph at ΔG=0, K.
2.Calculate the gradient of the line and state its units.
3.Use your answer to part (b) to deduce the value and correct units for ΔS.
4.Use the graph to determine the value for ΔG when the temperature is raised to 675K.
Extrapolation of the line= (kJ mol$^{-1}$)
5.Calculate a value for y-intercept= and state the correct units {kJmol$^{-1}$|kJmol$^{-1}K^{-1}$}.
