Recent questions in Chemical thermodynamics

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Calculate the standard enthalpy change (∆H) for the vaporization of 25.0 g of water at its boiling point (100°C) and 1 atm pressure assuming the heat capacity of water to be constant. Given: The heat of vaporization for water is 40.7 kJ/mol and the molar mass of water is 18.015 g/mol.

asked Feb 3 in Chemical thermodynamics by AltonDurden (2.1k points)

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Calculate the standard enthalpy change ($\Delta H^\circ$) for the dissolution of 10.0 g of sodium hydroxide (NaOH) in 100.0 mL of water assuming that the specific heat capacity of the solution is 4.18 J g$^{-1}$ K$^{-1}$ and that the initial and final temperatures are 25.0$^\circ$C and 35.0$^\circ$C, respectively. The molar mass of NaOH is 40.0 g mol$^{-1}$.

asked Feb 3 in Chemical thermodynamics by OrvalFrankla (1.9k points)

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1 answer 126 views

Calculate the standard electrode potential of the following reaction: Cu2+(aq) + 2e- ⇌ Cu(s) Given that the standard reduction potential of Cu2+(aq) is +0.34 V and the standard electrode potential of hydrogen electrode is 0.00 V.

asked Feb 3 in Chemical thermodynamics by Lizzie32E683 (1.8k points)

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1 answer 142 views

Calculate the standard electrode potential for the redox reaction: Al(s) + Fe2+(aq) → Fe(s) + Al3+(aq) at 298K, given that the standard reduction potential for Fe2+/Fe is -0.44V and Al3+/Al is -1.66V.

asked Feb 3 in Chemical thermodynamics by MargueriteSa (2.1k points)

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1 answer 95 views

Calculate the standard electrode potential for the redox reaction: Zn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s)if the standard electrode potentials for Zn2+/Zn and Cu2+/Cu half-cells are -0.76V and +0.34V, respectively.

asked Feb 3 in Chemical thermodynamics by ElisaWestgar (1.8k points)

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1 answer 115 views

Calculate the standard electrode potential for the redox reaction: Fe3+(aq) + e- → Fe2+(aq) given that the standard reduction potential for the Fe3+(aq)/Fe2+(aq) couple is +0.77 V.

asked Feb 3 in Chemical thermodynamics by ChristelIdr7 (1.7k points)

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Calculate the standard electrode potential for the redox reaction: Fe3+(aq) + e- → Fe2+(aq) Given that the standard electrode potential for the reduction of Fe3+(aq) to Fe2+(aq) is +0.771 V and the standard electrode potential for the reduction of H+(aq) to H2(g) is 0.000 V.

asked Feb 3 in Chemical thermodynamics by ZellaSeamon3 (1.6k points)

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1 answer 159 views

Calculate the standard electrode potential for the redox reaction: Cu(s) + 2Ag+(aq) → Cu2+(aq) + 2Ag(s) Given that the standard reduction potential for Ag+ is +0.80 V and for Cu2+ is +0.34 V.

asked Feb 3 in Chemical thermodynamics by JoliePeters1 (2.3k points)

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1 answer 110 views

Calculate the standard electrode potential for the redox reaction where Ag(s) is oxidized by Cu2+(aq) to form Ag+(aq) and Cu(s) given that the standard reduction potential for Ag+(aq) + e- → Ag(s) is 0.80 V and for Cu2+(aq) + 2e- → Cu(s) is 0.34 V.

asked Feb 3 in Chemical thermodynamics by TrevorE07525 (2.2k points)

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1 answer 140 views

Calculate the standard electrode potential for the redox reaction that occurs when a silver electrode is placed in a solution containing 0.1 M Ag+ ions and a platinum electrode is placed in a solution containing 0.1 M H+ ions at standard conditions. The reduction half-reaction for Ag+ is Ag+ (aq) + e- → Ag(s), and the reduction half-reaction for H+ is H+ (aq) + e- → 1/2 H2 (g).

asked Feb 3 in Chemical thermodynamics by RogerDenning (2.4k points)

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1 answer 130 views

Calculate the standard electrode potential for the redox reaction between the half cells Ag/Ag+ and Cu2+/Cu at 25°C, given that the standard electrode potentials for the half cells are +0.80 V and +0.34 V respectively.

asked Feb 3 in Chemical thermodynamics by MerissaGxv8 (1.7k points)

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1 answer 133 views

Calculate the standard electrode potential for the redox reaction between silver and copper ions at 298K, given that the reduction potential for the half-reaction Ag+ + e- → Ag is +0.80 V and the reduction potential for the half-reaction Cu2+ + 2e- → Cu is +0.34 V.

asked Feb 3 in Chemical thermodynamics by AnitraSchard (2.1k points)

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1 answer 169 views

Calculate the standard electrode potential for the redox reaction between copper and silver ions, given the following half-equations:Cu2+(aq) + 2e- → Cu(s) E° = +0.34 VAg+(aq) + e- → Ag(s) E° = +0.80 V

asked Feb 3 in Chemical thermodynamics by EdwinLindell (1.9k points)

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1 answer 130 views

Calculate the standard electrode potential for the redox reaction 2Fe2+(aq) + Cl2(g) → 2Fe3+(aq) + 2Cl−(aq) given that the standard reduction potential for Fe3+/Fe2+ couple is +0.771 V and E° for Cl2/Cl− couple is +1.36 V.

asked Feb 3 in Chemical thermodynamics by Melanie86K41 (1.7k points)

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1 answer 171 views

Calculate the standard electrode potential for the reaction Ag+ (aq) + Cu (s) → Ag (s) + Cu2+ (aq) given that the standard electrode potentials for Ag+ (aq) + e- → Ag (s) and Cu2+ (aq) + 2e- → Cu (s) are 0.80 V and 0.34 V respectively.

asked Feb 3 in Chemical thermodynamics by LeesaJ55672 (1.9k points)

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1 answer 154 views

Calculate the standard electrode potential for the oxidation of Fe2+ ions to Fe3+ ions using the half-reactions and their respective standard electrode potentials. Show the balanced chemical equation for the overall reaction and determine if the reaction is spontaneous or non-spontaneous at standard conditions.

asked Feb 3 in Chemical thermodynamics by GarnetFjo447 (1.8k points)

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1 answer 85 views

Calculate the standard electrode potential for the following redox reaction: Zn(s) + Cu^2+(aq) -> Zn^2+(aq) + Cu(s) Given the standard reduction potentials for Zn^2+(aq)/Zn(s) and Cu^2+(aq)/Cu(s) are -0.76 V and +0.34 V, respectively.

asked Feb 3 in Chemical thermodynamics by MartyLeSouef (2.0k points)

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1 answer 147 views

Calculate the standard electrode potential for the following redox reaction under standard conditions: Fe3+ + 3e- → Fe(s)

asked Feb 3 in Chemical thermodynamics by MOIRoderick9 (1.8k points)

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1 answer 143 views

Calculate the standard electrode potential for the following redox reaction in acidic medium using the standard reduction potentials given below:Fe2+(aq) + MnO4-(aq) + H+(aq) → Fe3+(aq) + Mn2+(aq) + H2O(l)Standard reduction potentials:Fe3+(aq) + e- → Fe2+(aq) Eo = +0.77 VMnO4-(aq) + 8H+(aq) + 5e- → Mn2+(aq) + 4H2O(l) Eo = +1.51 V

asked Feb 3 in Chemical thermodynamics by ModestaDavey (1.6k points)

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1 answer 90 views

Calculate the standard electrode potential for the following redox reaction at 298K:Fe3+(aq) + e- → Fe2+(aq) Given the E°(Fe3+/Fe2+) = +0.77V.

asked Feb 3 in Chemical thermodynamics by MarciaPerry5 (1.6k points)

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