(a)
Interpretation:
The equilibrium constant at
Concept Introduction:
Standard cell potential and equilibrium constant:
The standard cell potential related to the free-energy is given by the equation,
The free-energy change is also related to equilibrium constant by the equation,
Combine both the equations,
Where,
(b)
Interpretation:
The equilibrium constant at
Concept Introduction:
Standard cell potential and equilibrium constant:
The standard cell potential related to the free-energy is given by the equation,
The free-energy change is also related to equilibrium constant by the equation,
Combine both the equations,
Where,
(c)
Interpretation:
The equilibrium constant at
Concept Introduction:
Standard cell potential and equilibrium constant:
The standard cell potential related to the free-energy is given by the equation,
The free-energy change is also related to equilibrium constant by the equation,
Combine both the equations,
Where,
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General Chemistry: Atoms First
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- Calculate G for the following reactions and state whether each reaction is spontaneous under standard conditions at 298 K. (a) 2Na(s) + H2SO4() Na2SO4(s) + H2(g) (b) Cu(s) + H2SO4() CuSO4(s) + H2(g)arrow_forwardCalculate K at 25°C for each of the reactions referred to in Question 32. Assume smallest whole-number coefficients.arrow_forwardEstimate ΔrG° at 2000. K for each reaction in Question 60.arrow_forward
- Actually, the carbon in CO2(g) is thermodynamically unstable with respect to the carbon in calcium carbonate(limestone). Verify this by determining the standardGibbs free energy change for the reaction of lime,CaO(s), with CO2(g) to make CaCO3(s).arrow_forwardCalculate the equilibrium constant at 25 C for each of the following reactions from the value G given. (a) I2(s)+Cl2(l)2ICl(g)G=10.88kJ (b) H2(g)+I2(s)2HI(g)G=3.4kJ (c) CS2(g)+3Cl2(g)CCl4(g)+S2Cl2(g)G=39kJ (d) 2SO2(g)+O2(g)2SO3(g)G=141.82kJ (e) CS2(g)CS2(l)G=1.88kJarrow_forwardThe standard potential, E, for the reaction of Zn(s) and Cl2(g) is +2.12 V. What is the standard free energy change, rG, for the reaction?arrow_forward
- From the values for G f given in Appendix 1, calculate G at 25C for each of the reactions in Question 19.arrow_forwardCalculate G at 415 K for each of the reactions in Question 18. State whether the reactions are spontaneous.arrow_forwardCalculate G° at 25°C for each of the reactions referred to in Question 30. Assume smallest whole-number coefficients.arrow_forward
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