Asked by Krys
To determine the value of ÄG°f(AgI2–(aq)), a researcher measured the concentrations at equilibrium to be: [I3–]eq = 4.07 M and [I2]eq = [AgI2–]eq = 0.686 M at 298 K.
2 Ag(s) + 2 I3–(aq) <------> 2 AgI2–(aq) + I2(aq)
ÄH°f(kJ/mole)/S°(J/k mole/ÄG°f at 298 K (kJ/mole)
Ag(s) 0 / 42.55 / 0
I3–(aq) –51.5 / 293.3 / –51.4
I2(aq) 22.6 / 137.2 / 16.40
What is the value of ÄG°f(AgI2–(aq)) in kJ?
2 Ag(s) + 2 I3–(aq) <------> 2 AgI2–(aq) + I2(aq)
ÄH°f(kJ/mole)/S°(J/k mole/ÄG°f at 298 K (kJ/mole)
Ag(s) 0 / 42.55 / 0
I3–(aq) –51.5 / 293.3 / –51.4
I2(aq) 22.6 / 137.2 / 16.40
What is the value of ÄG°f(AgI2–(aq)) in kJ?
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