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Calculate the Gibbs free energy change at standard conditions for the reaction:2 H2(g) + O2(g) → 2 H2O(l)Given: ΔHºf[H2O(l)] = -285.8 kJ/mol, ΔHºf[H2(g)] = 0 kJ/mol, ΔHºf[O2(g)] = 0 kJ/mol, and ΔSº[H2O(l)] = -69.9 J/K·mol.

asked Jan 23 in Chemical thermodynamics by ChauFrederic (1.2k points)

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Calculate the Gibbs free energy change at standard conditions for the following synthesis reaction: CO2 (g) + 2H2 (g) → CH3OH (g)

asked Jan 23 in Physical Chemistry by PhillipPugli (2.1k points)

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Calculate the Gibbs free energy change at standard conditions for the combustion of propane:C3H8(g) + 5O2(g) → 3CO2(g) + 4H2O(l) Given the standard enthalpy of formation data: ΔH°f(CO2(g)) = -393.5 kJ/mol ΔH°f(H2O(l)) = -285.8 kJ/mol ΔH°f(C3H8(g)) = -103.85 kJ/mol and the standard entropy data: S°(CO2(g)) = 213.6 J/(mol•K) S°(H2O(l)) = 69.9 J/(mol•K) S°(C3H8(g)) = 269.9 J/(mol•K)

asked Jan 23 in Chemical thermodynamics by CWDKristeen0 (1.7k points)

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Calculate the Gibbs free energy change at 298 K for the reaction of hydrogen gas (H2) and chlorine gas (Cl2) to form hydrogen chloride gas (2HCl), given the following thermodynamic data:∆H°f (HCl) = -92.31 kJ/mol∆H°f (H2) = 0 kJ/mol∆H°f (Cl2) = 0 kJ/mol∆S°f (HCl) = -181.6 J/(mol*K)∆S°f (H2) = 130.7 J/(mol*K)∆S°f (Cl2) = 223.1 J/(mol*K)Also, determine whether the reaction is spontaneous at 298 K and if it will shift towards products or reactants.

asked Jan 23 in Chemical thermodynamics by JeanetteOffi (1.7k points)

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Calculate the Gibbs free energy change at 25°C for the reaction:2NO(g) + O2(g) → 2NO2(g)Given the standard Gibbs free energy of formation at 25°C for NO(g), O2(g), and NO2(g) are +86.4 kJ/mol, 0 kJ/mol, and +51.3 kJ/mol, respectively.

asked Jan 23 in Chemical thermodynamics by GroverRamey (2.2k points)

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Calculate the Gibbs free energy change (ΔG) for the reaction:N2(g) + 3H2(g) ⇌ 2NH3(g)Given the standard Gibbs free energy of formation (ΔG°f) values at 298 K are:ΔG°f of NH3(g) = -16.6 kJ/molΔG°f of N2(g) = 0 kJ/molΔG°f of H2(g) = 0 kJ/molAssume ideal gas behavior for all gases involved in the reaction.

asked Jan 23 in Chemical thermodynamics by HiramFarrell (1.7k points)

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Calculate the Gibbs free energy change (ΔG) for the reaction below at 298 K given the following standard Gibbs free energy of formation data: 2H2(g) + O2(g) → 2H2O(l) ΔG°f (kJ/mol): H2(g) = 0 O2(g) = 0 H2O(l) = -237.14

asked Jan 23 in Chemical thermodynamics by ShanicePeele (2.0k points)

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Calculate the Gibbs free energy change (ΔG) for the following chemical reaction at 25°C and constant pressure of 1 atm:2H2(g) + O2(g) → 2H2O(l)Given the following standard Gibbs free energy of formation values (ΔfG°) at 25°C:H2(g) = 0 kJ/molO2(g) = 0 kJ/molH2O(l) = -237 kJ/mol

asked Jan 23 in Chemical thermodynamics by KraigHogue46 (1.8k points)

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Calculate the Gibbs free energy change (∆G) for the combustion of methane, CH4(g) + 2O2(g) -> CO2(g) + 2H2O(l), at standard conditions (298 K and 1 atm pressure) using appropriate thermodynamic data.

asked Jan 23 in Chemical thermodynamics by FerminRosale (1.5k points)

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Calculate the formal charge on the sulfur atom in the compound SO₃²⁻.

asked Jan 23 in Inorganic Chemistry by VirgilioAbe5 (1.9k points)

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Calculate the formal charge on the nitrogen atom in the molecule NO3-.

asked Jan 23 in Chemical bonding by JerroldCleve (2.0k points)

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Calculate the formal charge on each atom in the nitrate ion (NO3^-).

asked Jan 23 in Inorganic Chemistry by WilheminaMea (1.5k points)

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Calculate the formal charge on each atom in the molecule CO3^2-.

asked Jan 23 in Chemical bonding by StefanieBret (2.1k points)

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Calculate the formal charge on each atom in SO4 2- ion.

asked Jan 23 in Inorganic Chemistry by TroyWitcher8 (2.1k points)

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Calculate the formal charge of the sulfur atom in the sulfite ion (SO3) using the formula for formal charge calculation.

asked Jan 23 in Inorganic Chemistry by EloisaLeavit (1.5k points)

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1 answer 51 views

Calculate the formal charge of the oxygen atom and the chlorine atom in the perchlorate ion, ClO₄⁻. Show your work and explain how you arrived at your answer.

asked Jan 23 in Inorganic Chemistry by AzucenaGrasb (1.6k points)

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Calculate the formal charge of the nitrogen atom in the molecule NH3. Show your work and explain the significance of the result.

asked Jan 23 in Chemical bonding by Maura45O7086 (2.5k points)

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Calculate the formal charge of oxygen in the molecule SO2.

asked Jan 23 in Chemical bonding by MoniqueBrins (1.9k points)

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Calculate the formal charge of nitrogen in the nitrogen dioxide (NO2) molecule.

asked Jan 23 in Inorganic Chemistry by AubreyWoore (2.4k points)

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1 answer 49 views

Calculate the formal charge of nitrogen in the molecule of ammonia (NH3) assuming it has single covalent bonds.

asked Jan 23 in Chemical bonding by LouiePartrid (1.8k points)

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