Calculate: (a) the pH of the saturated solution of magnesium  hydroxide:   Mg(OH)2(s) →← Mg2+(aq) + 2OH–(aq), Ksp = 1.2×10–11  and (b) the standard Gibbs free energy change for the above reaction. Enter your answers with correct units and significant figures.

Q: In the smelting of iron ores, the reduction of iron oxides in a blast furnace is accompanied by the…

A: A multiple choice question based on chemical thermodynamics that is to be accomplished.

Q: The molar enthalpy of solid sodium hydroxide with a solution of hydrochloric acid. NaOH(s) + HCI(aq)…

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A: Given: Carbon has different forms of allotropes such as diamond and graphite. The standard Gibbs…

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A: The standard Gibbs free energy of a reaction  may be expressed as:Gibbs free energy change = Total…

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Q: How is equilibrium constant of a reaction related to standard cell potential?

A: How is equilibrium constant of a reaction related to standard cell potential?

Q: The pH of an aqueous solution of 0.231 M sodium acetate, NaCH3COO (aq), is

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Q: The standard potential of the AgCl/Ag, CI couple fits the expression Eº/V = 0.23659-4.8564 x 10-4…

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Q: The standard Gibbs energy of formation of NH3(g) is −16.5 kJ mol−1 at 298 K. What is the…

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Q: Calculate (a) the standard reaction entropy and (b) the change in entropyof the surroundings (at 298…

A: SOLUTION: Step 1: (a) Species S0 (J/mol. K) ΔHf (KJ/mol) N2 (g) 191.5 0 H2 (g)…

Q: The standard Gibbs energy of the reaction N2(g) + 3 H2(g) → 2 NH3(g) is −32.9 kJ mol−1 at 298 K.…

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Q: Write the individual electrode reactions and the overall cell reaction for the following cell: Pt |…

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A: Chlorine gas will oxidize water to oxygen gas under standard conditions, because the standard…

Q: Ammonia production is one example of an industrial product. It is largely used for fertilizers.…

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Q: Consider the decomposition of a metal oxide to its elements, where M represents a generic metal. 3…

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Q: For the reaction N2 (g) + 3H2(g) --> 2 NH3 (g), (a) what is the reaction Gibbs free energy at…

A: (a) For the given reaction, using values from the question and taking temperature in Kelvin scale,…

Q: For CaF2(s) ⇋ Ca2+(aq) + 2 F−(aq), K = 3.9 ×10−11 at 25 °C and the standard Gibbs energy of…

A: the standard gibbs energy is calculated by ,⊿G =-RT lnKwhereR=gas constantT=temperatureK=constant

Q: One ecologically important equilibrium is that between carbonate and hydrogencarbonate (bicarbonate)…

A: The relation between free energy and cell potential is shown below: ∆G0 =-nFE0cell where; ∆G =…

Q: The standard cell potential of a Daniell cell, with cell reactionZn(s) + Cu2+(aq) → Zn2+(aq) +…

A: Given, a Daniell cell with the cell reaction as follows,Zn(s)+Cu2+→Zn2++Cu(s)the standard cell…

Q: Calculate the ΔG rxn,298 for the precipitation of AgI at 0.05 M. Ag+ (aq) + I- (aq) → AgI (s)

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Q: Estimate the temperature at which the equilibrium constant for the decomposition of CaCO3(s,…

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Q: The equilibrium pressure of H2 over solid uranium and uranium hydride, UH3, at 500 K is 139 Pa.…

A: Balanced chemical reaction is given as below: Us+1.5 H2g→ UH3s Equilibrium pressure is given as:…

Q: The standard voltage, E°, for the reaction of Zn(s) and Cl,(g) is 2.12 V. What is the standard Gibbs…

A: Standard gibb's free energy is directly related to Standard EMF of the cell.  Here ,Zn2++2e-→Zn and…

Q: One reaction has a standard Gibbs energy of −320 kJ mol−1 and a second reaction has a standard Gibbs…

A: Given data contains, First reaction has standard Gibbs energy is −320 kJ mol−1. Second reaction has…

Q: In the smelting of iron ores, the reduction of iron oxides in a blast furnace is accompanied by the…

A: Gibbs free energy is a thermodynamic state function. It is a property of a system that measures the…

Q: standard enthalpy

A:

Q: The pH of an aqueous solution of 1.08×10-2 M carbonic acid, H2CO3 (aq), is

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Q: The standard reaction Gibbs energy of the isomerization of borneol (CioH17OH) to isoborneol…

A: Borneol --> isoborneolT= 503 KR= 8.314 J/K.moleTotal number of moles = 0.15 mole +0.30 mole =0.45…

Q: Calculate AG, at 298K, for the dissociation of lead(II) iodide in water given that the equilibrium…

A: The standard Gibbs free energy and equilibrium constant are related by the following formula.

Q: The standard enthalpy of combustion of the solid glycine (the amino acid, NH2CH2COOH) is −969 kJ…

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Q: Can mercury produce zinc metal from aqueous zinc sulfate under standard conditions?

A: The mercury will not produce zinc metal from aqueous zinc sulfate under standard condition. Because,…

Q: The standard Gibbs energy of formation of PH3 (g) is 13.4 kJ/mol at 298 K. What is the corresponding…

A: Given data,∆Go=13.4kJ/molPH2=1.0barPPH3=0.60bar

Q: The pH of an aqueous solution of 0.293 M sodium acetate, NaCH3COO (aq), is

A:

Q: The standard Gibbs energy of formation of PH3(g) is +13.4 kJ mol−1 at 298 K. What is the…

A: The reaction for the formation of PH3:Ps+32H2g→PH3gWe use the following formula to calculate gibbs…

Q: Use standard Gibbs energies of formation to calculate the standard reaction Gibbs energies at 298 K…

A: Given :  Chemical equation :  Zn(s)+Cu2+(aq)→Zn2+(aq)+Cu(s)  C12H22O11(s)+12O2(g)→12CO2(g)+11H2O(l)…

Q: The equilibrium constant for the isomerization of cis-2-butene to trans-2-butene is K = 2.07 at 400…

A: The equilibrium constant for the isomerization of cis-2-butene to trans-2-butene is K = 2.07 at 400…

Q: The standard enthalpy of combustion of liquid ethyl ethanoate (ethyl acetate, CH3COOC2H5) is −2231…

A: The standard Gibbs energy of formation can be expressed as: ∆Go = ∆Ho - T∆So∆Go = Standard Gibbs…

Q: Calculate the standard reaction Gibbs energy at this temperature.

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Q: Predict the direction of proton transfer in the reaction of acetic acid and ammonia in aqueous…

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Q: Consider the reaction at 25°C, where CaCO3(s) decomposes to form CO2(g) + CaO(s) If the standard…

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Q: how to calculate the equilibrium constant given Delta Grxn= +6.4kJ/mol at 298K

A: The relationship between the ΔGrxn and equilibrium constant is given by  RTln(K) = -ΔGrxn  where R =…

Q: Certain bacteria in the soil obtain the necessary energy for growth by oxidizing nitrite to r…

A: Gibbs energy released can be calculated using the formula given. The standard free energy of Oxygen…

Q: or the reaction N2 (g) + 3H2(g) --> 2 NH3 (g),  (a) what is the reaction Gibbs free energy at…

A: The given reaction is: a) At equilibrium, the working of the cell stops. Thus Ecell of the reaction…

Q: What is the ΔrG° for the following reaction (in kJ mol-1)? N2 (g) + O2 (g) + Cl2 (g) ⇌ 2 NOCl (g) To…

A: