The following reaction takes place in aqueous solution. 2 CoBг3 (aq) + 3 K₂S(aq) → 6 KBr(aq) + Co₂S3(s) Write the balanced NET ionic equation for this reaction. Be sure to include the proper phases for all species within the reaction.
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- 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).The equilibrium constant for the reaction, 3 H2(g) + N2(g)= 2NH3(g), at a given temperature is 1.4 x 10–7. Calculate the equilibrium concentration of ammonia, if [H2] = 1.2 x 10–2 mol L–1 and [N2] = 3.2 x 10–3 mol L–1.Write the balanced net ionic equation for the reaction that occurs in the following case: Fe(NO3)2(aq)+KOH(aq)→ Express your answer as a balanced net ionic equation. Identify all of the phases in your answer.
- Copper(I) ions in aqueous solution react with NH3 (aq) according to Cu+ (aq) + 2 NH3 (aq) · → Cu(NH3)2(aq) K₁ = 6.3 × 1010 Calculate the solubility (in g·L-¹) of CuBr(s) (Ksp = : 6.3 × 109) in 0.74 M NH3(aq). solubility of CuBr(s): g/L2 Zn*2 (aq) +Fe*2 (ag) + 6 CN (ag) = Zn2Fe(CN)6 (5) [znz Fe (CN),] A certain equilibrium reaction has K = 2.8 x 10-13 at 25 °C. What is the change in Gibbs Free Energy (kJ/mole) under these conditions?The equilibrium constant for the reaction Na2(g) → 2Na(g) is 2.47 at 1000. K. Calculate the value of G for this reaction under these conditions.
- Write the equilibrium constant for C(s) + 2H2(g) ↔ CH4(g)Balanced chemical equation for conversion of Al(s) to KAl(SO4)2·12H2O(s) in aqueous solutionCarbon monoxide and water vapor, each at 200. Torr, were introduced into a container of volume 0.250 L. When the mixture reached equilibrium at 700 degrees Celsius, the partial pressure of CO2(g) was 88 Torr. Calculate the value of K for the equilibrium CO (g) + H2O (g)⇋ CO2(g)+H2(g).
- The decomposition of a generic diatomic element in its standard state is represented by the equation X₂(g) → X(g) Assume that the standard molar Gibbs energy of formation of X(g) is 4.71 kJ - mol-¹ at 2000. K and −55.51 kJ · mol-¹ at 3000. K. Determine the value of the thermodynamic equilibrium constant, K, at each temperature. At 2000. K, AG₁ = 4.71 kJ · mol-¹. What is K at that temperature? K at 2000. K= At 3000. K, AGf = −55.51 kJ - mol-¹. What is K at that temperature? K at 3000. K =The standard enthalpy of combustion of the solid glycine (NH₂CH₂COOH) is -969 kJ/mol at 298 K. It's standard molar entropy is 103.5 J/K-mol. Calculate the standard Gibbs energy of formation of glycine at 298 K. Note that the nitrogen-containing species produced in the combustion reaction is N₂(g).C6H12O6(aq) + 6O2(g) 6CO2(g) + 6H2O(l)ΔH = –2802.7 kJ mol –1a) Write an expression for the equilibrium constant for this reaction.b) At equilibrium, the concentration of the reactants and products are determined as [CO2] = 0.30 M, [O2] = 0.040 M and [C6H12O6] = 0.065 M. Determine the value of the equilibrium constant (Kc) and predict the whether the products or reactants will be favoured at equilibrium.c) Given that the concentrations of the reactants and products at a particular time are [CO2] = 0.65 M, [O2] = 0.020 M and [C6H12O6] = 0.055 M, determine the reaction quotient (Qc). Compare the Kc and Qc values and predict the favoured direction of the reaction.d) Explain the effect on equilibrium of:i) Increasing temperatureii) Increasing pressureiii) Decreasing the concentration of oxygeniv) Increasing the concentration of carbon dioxidev) Adding a catalyst