I.     NaCl (s) ⇌ Na+ (aq) + Cl- (aq)                 ΔG < 0     II.    Au+ (aq) + Cl- (aq) ⇌ AuCl (s)                 ΔG > 0     III.   Ag(CN)2-(aq) ⇌ Ag+(aq) + 2CN-(aq)      ΔG > 0       For which forward reaction(s) does the entropy of the universe (ΔSuniv) increase?

A reaction has a standard free-energy change of –13.20 kJ mol-(-3.155 kcal mol-). Calculate the equilibrium constant for the reaction at 25 °C. Keg

What is the ΔrG° for the following reaction (in kJ mol-1)? N2 (g) + O2 (g) + Cl2 (g) ⇌ 2 NOCl (g) use the method of Gibbs energy of formation.

what is the ΔG when   - K constant = 1.2x103 -  temperature = 40 degrees - R = 8.31

The equilibrium constant for the reaction 2NO(g)+Br2(g)⇌2NOBr(g) is Kc=3.0×10−2 at a certain temperature. Calculate Kc for the following reaction: 2NOBr(g)⇌2NO(g)+Br2(g)

Ammonia, NH3, is a base and will readily accept a proton in accordance with the following reaction: NH3(aq) + H2O <-> NH4+ + OH- Calculate the equilibrium constant for this reaction (the reaction goes from left to right) at 25 ºC. ∆G0NH3(ag) = -26.6 kJ/mol ∆G0H2O = -237.1 kJ/mol ∆G0NH4+ = -79.3 kJ/mol ∆G0OH- = -157.2 kJ/mol

A student determines the value of the equilibrium constant to be 2.33×1016 for the following reaction.Ca(OH)2(aq) + 2HCl(aq) ----> CaCl2(s) + 2H2O(l)Based on this value of Keq:ΔG° for this reaction is expected to be (greater, less) ____ than zero.Calculate the free energy change for the reaction of 2.34 moles of Ca(OH)2(aq) at standard conditions at 298K.ΔG°rxn = _______ kJ

Consider the following reactions, where the equilibrium constants are represented by the variables x and y:             2 FeCl3(aq)  +  Zn(s)  ⇄⇄  2 FeCl2(aq)  +  ZnCl2(aq)            K=x             FeCl3(aq)  +  CrCl2(aq)  ⇄⇄  FeCl2(aq)  +  CrCl3(aq)            K=y Write an expression for the equilibrium constant for the reaction below, in terms of x and y.             2 CrCl3(aq)  +  Zn(s)  ⇄⇄  2 CrCl2(aq)  +  ZnCl2(aq) (Answer should be = x/y2)

I2(g) + Cl2(g) ⇌ 2 ICl(g) Calculate ΔGrxn in kJ at 25°C from the following ΔG°f values. ΔG°f (I2) = 62.42 kJ/mol ΔG°f (Cl2) = 0 kJ/mol ΔG°f (ICl) = -5.52 kJ/mol Report your answer to 2 decimal places, and do NOT include units.

I.     NaCl (s) ⇌ Na+ (aq) + Cl- (aq)                 ΔG < 0     II.    Au+ (aq) + Cl- (aq) ⇌ AuCl (s)                 ΔG > 0     III.   Ag(CN)2-(aq) ⇌ Ag+(aq) + 2CN-(aq)      ΔG > 0       For which forward reaction(s) does the entropy of the universe (ΔSuniv) increase?