The solubility product, Ksp, for the following solubility equilibrium at 25oC is 1.1 x 10-10. BaSO4(s)<--> Ba+2(aq) + SO4-2(aq) Calculate the standard free energy change for this equilibrium at this temperature. Group of answer choices 0.470 kJ/mol 56.8 kJ/mol 5.61 kJ/mol 4.77 kJ/mol

the equilibrium constant for the authorization of water at 25°C is 1.00 X 10^-14 H2O----->H+(aq)+OH-(aq) The DH° is 55.8 kJ/mol. Determine the equilibrium constant at 38.2 °C

The equilibrium constant for the acid ionization of mercaptoethanol (HSCH2CH2OH) is HSCH2CH2OH(aq) = H+(aq) + SCH2CH2OH-(aq)               k= 1.91 x 10-10 Which of the following is/are true regarding this equilibrium? And why? 1. The reaction is product-favored. 2. The reaction is reactant-favored. 3. Equilibrium lies far to the right. 4. Equilibrium lies far to the left.

Thank you.

6. Give the equilibrium constant for the following reaction. 2PB1, (g) + 3Cl,(s) 2PCI;(g) + 3Br,(g)

What is the equilibrium constant for the following reaction at 250 C? Mg(s) + Zn2+(aq) <----->Mg2+ + Zn(s) (E0 Zn2+ = -0.76 and Mg2+ = -2.37).

You are given the following reaction at equilibrium in water: NH4CI(s) NH4*(aq) + CI(aq) AH= +33.4 k]/mol a) What change do you observe upon the addition of NaOH? b) What change do you observe upon the addition of heat? c) How is this observation consistent with Le Chatlier's Principle? Explain.

[References] Approximately 0.17 g copper(II) hydroxide, Cu(OH), (8), dissolves per liter of water at 20°C. Calculate Ksp for Cu(OH), (s) at this temperature. Ksp

At a certain temperature K = 1.1 × 103 for the following reac=on:Fe3+(aq) + SCN–(aq) ⇌ Fe(SCN)2+(aq)a) Calculate the concentra=on of all species at equilibrium if 0.020 moles of Fe(NO3)3 is added to 1.0 L of 0.10 M KSCN (assume no change in volume upon addi=on).b) Ader equilibrium has been reached in part a, an addi=onal 0.0050 moles of Fe(NO3)2(SCN) is addedto solu=on. Calculate the new equilibrium concentra=ons of all species assuming no change in volume.

Question 23 of 26 Submit Determine the temperature of a reaction if K = 1.20 x 10-6 when AG° = +39.40 kJ/mol. | K 1 2 3 4 5 C 7 +/- x 10 0 00