Recent questions in Chemical thermodynamics

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Calculate the standard electrode potential (E°) for the redox reaction of the following half-reactions:Cu2+(aq) + 2e- → Cu(s) E° = +0.34 VFe3+(aq) + e- → Fe2+(aq) E° = +0.77 V

asked 2 days ago in Chemical thermodynamics by DawnAbraham (490 points)

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Calculate the standard electrode potential (E°) for the reaction below at 298K using the standard reduction potentials given:2H⁺(aq) + 2e⁻ → H₂(g) E°= 0.00VFe³⁺(aq) + e⁻ → Fe²⁺(aq) E°=+0.77V 2H⁺(aq) + Fe³⁺(aq) → H₂(g) + Fe²⁺(aq)

asked 2 days ago in Chemical thermodynamics by MarleneEllis (530 points)

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Calculate the specific heat capacity of water if it absorbs 400 J of energy and its temperature rises by 20°C.

asked 2 days ago in Chemical thermodynamics by PamalaDeNeev (490 points)

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Calculate the reaction quotient, Qc, for the reaction: 2 NO2 (g) + Cl2 (g) ⇌ 2 NO2Cl (g)At a certain temperature, the concentrations were found to be: [NO2] = 0.15 M, [Cl2] = 0.20 M, and [NO2Cl] = 0.10 M.Is the reaction at equilibrium? If not, which direction would the reaction proceed to reach equilibrium?

asked 2 days ago in Chemical thermodynamics by GQABrian353 (650 points)

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Calculate the reaction quotient, Qc, for the following reaction:2NO2(g) + 7H2(g) → 2NH3(g) + 4H2O(g)at a temperature of 300 K and a pressure of 0.5 atm for each gas species. The equilibrium constants, Kc, at the same temperature and pressure are:Kc = 0.0080 for the reverse reactionKc = 7.2 × 10^-7 for the forward reaction

asked 2 days ago in Chemical thermodynamics by MilagroEub10 (590 points)

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Calculate the reaction quotient, Q, for the following reaction at room temperature:$$\ce{CH4(g) + 2O2(g) -> CO2(g) + 2H2O(g)}$$Given:- Partial pressure of methane, $\ce{CH4}$ = 0.25 atm- Partial pressure of oxygen, $\ce{O2}$ = 0.75 atm- Partial pressure of carbon dioxide, $\ce{CO2}$ = 0.0 atm- Partial pressure of water vapor, $\ce{H2O(g)}$ = 0.0 atmUse Q to determine if the reaction is at equilibrium, or if it will shift towards the products or reactants to reach equilibrium.

asked 2 days ago in Chemical thermodynamics by WilliamLangt (430 points)

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Calculate the reaction quotient, Q, for the following balanced chemical reaction at 298 K:2NO(g) + O2(g) ⇌ 2NO2(g)Given that the initial concentrations of NO, O2 and NO2 are 0.10 M, 0.15 M and 0.05 M, respectively.

asked 2 days ago in Chemical thermodynamics by GayePetheric (270 points)

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Calculate the reaction quotient Q for the chemical reaction below using the given concentrations of reactants and products at a temperature of 25°C:2H2(g) + O2(g) -> 2H2O(g)[H2] = 0.10 M, [O2] = 0.05 M, [H2O] = 0.08 M.

asked 2 days ago in Chemical thermodynamics by MarilouArnde (440 points)

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Calculate the reaction quotient (Qc) for the following reaction at 298 K and 1 atm: 2 NO2(g) + F2(g) ⇌ 2 NO2F(g)Given the molar concentrations of reactants and products are [NO2] = 0.25 M, [F2] = 0.15 M, and [NO2F] = 0.10 M at equilibrium.

asked 2 days ago in Chemical thermodynamics by LatashaKerse (390 points)

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Calculate the reaction quotient (Qc) for the following reaction at 25°C, given the concentration of reactants and products:2NO2(g) + F2(g) ⇌ 2NO2F(g)[NO2] = 0.30 M, [F2] = 0.40 M, [NO2F] = 0.60 M.Is the reaction at equilibrium? If not, in which direction will the reaction proceed to achieve equilibrium?

asked 2 days ago in Chemical thermodynamics by TeresaGraebn (570 points)

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Calculate the reaction quotient (Qc) for the following chemical reaction at 25°C: 2SO2(g) + O2(g) ⟶ 2SO3(g)Given the following concentration values:[SO2] = 0.1 M[O2] = 0.05 M[SO3] = 0.3 MWhat is the reaction quotient Qc for this reaction? Is the reaction at equilibrium? If not, in which direction will the reaction proceed to reach equilibrium?

asked 2 days ago in Chemical thermodynamics by LawrenceDyal (530 points)

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Calculate the reaction quotient (Qc) for the chemical equation:2NO(g) + O2(g) ⇌ 2NO2(g)At a certain reaction conditions, the concentrations of NO, O2, and NO2 are 0.45 M, 0.25 M, and 0.60 M respectively. Determine if the reaction is at equilibrium and, if not, in which direction will it proceed to reach equilibrium.

asked 2 days ago in Chemical thermodynamics by EmanuelWelch (460 points)

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Calculate the reaction quotient (Q) for the following chemical reaction at a given temperature and pressure: 2 SO2 (g) + O2 (g) ⟶ 2 SO3 (g) The initial concentrations of SO2, O2, and SO3 are 0.2 M, 0.1 M, and 0.3 M, respectively, at a total pressure of 3 atm and a temperature of 298 K.

asked 2 days ago in Chemical thermodynamics by DaniellaSoil (310 points)

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Calculate the heat capacity of a 50g sample of water that is heated from 25°C to 45°C, given that the specific heat capacity of water is 4.184 J/g°C.

asked Jan 23 in Chemical thermodynamics by JulietProvos (430 points)

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1 answer 53 views

Calculate the heat capacity of a 25.0 g sample of copper, given that it was heated from 25°C to 50°C when it absorbed 209 J of heat. The specific heat capacity of copper is 0.385 J/g°C.

asked Jan 23 in Chemical thermodynamics by DarbyEastin (210 points)

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Calculate the heat capacity of 50g of water when its temperature is raised from 25°C to 65°C.

asked Jan 23 in Chemical thermodynamics by MistyCordeau (530 points)

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Calculate the heat capacity of 50 grams of water at 25°C, given that the specific heat of water is 4.184 J/g°C.

asked Jan 23 in Chemical thermodynamics by Perry2210206 (810 points)

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Calculate the heat capacity of 50 grams of water at 25°C, given that the specific heat capacity of water is 4.18 J/g°C.

asked Jan 23 in Chemical thermodynamics by Leatha15H194 (350 points)

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Calculate the heat capacity of 50 grams of pure water at 25°C, given that the specific heat capacity of water is 4.184 J/g°C.

asked Jan 23 in Chemical thermodynamics by LouiePickett (490 points)

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Calculate the heat capacity of 25 grams of liquid ethanol at 25°C when it is heated from 25°C to 35°C by absorbing 150 Joules of heat. The specific heat of ethanol is 2.44 J/g°C.

asked Jan 23 in Chemical thermodynamics by YongTherry1 (450 points)

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