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Calculate the standard enthalpy change (∆H°) for the following reaction involving liquids:C6H12O6 (s) + 6O2 (g) → 6CO2 (g) + 6H2O (l)

asked Feb 3 in Chemical thermodynamics by RodolfoWimbl (610 points)

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Calculate the standard enthalpy change for the reaction: 2C2H5OH(l) + 9O2(g) -> 6CO2(g) + 8H2O(l) given that the standard enthalpy of formation for C2H5OH(l) is -278 kJ/mol, for CO2(g) is -394 kJ/mol and for H2O(l) is -286 kJ/mol.

asked Feb 3 in Chemical thermodynamics by BradTomholt (510 points)

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How does changing the concentration of the reactants affect the rate of reaction and the sustainability of the reaction?

asked Feb 3 in Chemical kinetics by ChristaHeyne (450 points)

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How does changing the pH of a redox reaction affect the equilibrium position of the reaction, and what factors can influence this effect? Provide an example of a redox reaction and explain how its equilibrium position can be affected by changes in pH.

asked Feb 3 in Chemical equilibrium by MeiBlamey26 (410 points)

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How does changing the concentration of reactants affect the reaction rate and determine the order of the reaction for the given chemical reaction?

asked Feb 3 in Chemical kinetics by AlejandraBel (310 points)

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Calculate the standard enthalpy change of the following chemical reaction at 298 K given the following bond energies: 2H2(g) + O2(g) --> 2H2O(l) Bond energies: H-H: 432 kJ/mol O=O: 498 kJ/mol O-H: 464 kJ/mol

asked Feb 3 in Physical Chemistry by HalleyBurdge (490 points)

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Calculate the standard electrode potential of the copper electrode if the standard electrode potential of the zinc electrode is -0.76 V and the standard cell potential is 1.10 V for the cell reaction: Zn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s). Use the equation Eºcell=Eº cathode - Eº anode where Eºcell is the standard cell potential, Eºcathode is the standard potential for the reduction half-reaction, and Eºanode is the standard potential for the oxidation half-reaction.

asked Feb 3 in ElectroChemistry by ChelseyHenle (370 points)

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How does changing the concentration of reactants affect the rate of a chemical reaction, and can this relationship be modeled with a mathematical equation?

asked Feb 3 in Chemical kinetics by MikaylaFrien (370 points)

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How do chaperone proteins assist in the folding of newly synthesized polypeptides?

asked Feb 3 in BioChemistry by HalleyN7289 (290 points)

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Calculate the standard enthalpy change for the reaction of [Co(H2O)6]2+(aq) with 2 Cl-(aq) to form [CoCl4]2-(aq) and 6 H2O(l) at a temperature of 298 K. Given the following thermodynamic data:[Co(H2O)6]2+(aq) + 4 Cl-(aq) → [CoCl4]2-(aq) + 6 H2O(l) ΔH°= -98.7 kJ mol-1[Co(H2O)6]2+(aq) + 2 Cl-(aq) → [CoCl4]2-(aq) + 4 H2O(l) ΔH°= -65.5 kJ mol-1Assume that the enthalpy of hydration for Cl- (aq) is -364 kJ mol-1.

asked Feb 3 in Chemical thermodynamics by LillieLarocc (330 points)

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How does changing the reactant concentration affect the reaction rate and profitability in the production of a certain chemical compound?

asked Feb 3 in Chemical kinetics by NewtonKirch (480 points)

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Calculate the standard enthalpy of reduction for the following reaction: Fe2O3 (s) + 3 H2(g) → 2 Fe(s) + 3 H2O(g)Given: ΔH°f for Fe2O3 (s) = -824.2 kJ/mol ΔH°f for H2O(g) = -241.8 kJ/molΔH°f for Fe(s) = 0 kJ/mol

asked Feb 3 in ThermoChemistry by ElvaTmv5557 (310 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 CarsonEaston (550 points)

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Calculate the standard enthalpy change for the vaporization of 25.0 g of water at 100°C, given that the molar enthalpy of vaporization of water is 40.7 kJ/mol. (The molar mass of water is 18.015 g/mol.)

asked Feb 3 in Chemical thermodynamics by AnnPiguenit (630 points)

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Calculate the standard enthalpy change for the neutralization of HCl with NaOH, given that the heat of formation of water is -285.8 kJ/mol, the heat of formation of NaCl is -411.1 kJ/mol, and the initial concentrations of HCl and NaOH are 1.0 M.

asked Feb 3 in Chemical thermodynamics by HarriettStea (570 points)

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Calculate the standard reaction entropy of the reaction: 2Fe(s) + 3/2O2(g) --> Fe2O3(s) given that the standard enthalpy of the reaction is -824.2 kJ/mol at 298K.

asked Feb 3 in Inorganic Chemistry by Refugio10Z96 (310 points)

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1 answer 35 views

How does changing the ratio of reactants in a chemical reaction affect the rate of the reaction?

asked Feb 3 in Chemical kinetics by LawerencePro (570 points)

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1 answer 32 views

How does changing the temperature affect the conformational behavior of a polymer chain in a Monte Carlo simulation?

asked Feb 3 in Computational Chemistry by QHMDustin636 (650 points)

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1 answer 38 views

What is the effect of changing the concentration of the reaction intermediate on the overall rate of a chemical reaction?

asked Feb 3 in Chemical kinetics by GertrudeT17 (310 points)

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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 Dusty1260020 (390 points)

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