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Calculate the standard enthalpy change of the reaction of 2 moles of carbon monoxide and 1 mole of oxygen gas to form 2 moles of carbon dioxide gas, given that the enthalpy change for the decomposition of 2 moles of carbon dioxide to 2 moles of carbon monoxide and 1 mole of oxygen gas is -566 kJ/mol, and the enthalpy change for the combustion of 1 mole of carbon to form carbon dioxide gas is -394 kJ/mol. Use Hess's Law to solve the problem.

asked 5 days ago in Chemical reactions by AngelineSayl (330 points)

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How does changing the concentration of reactants and products affect the rate of a reversible chemical reaction at equilibrium?

asked 5 days ago in Chemical kinetics by EdwinCamidge (430 points)

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Calculate the pH of a buffer solution made by combining equal volumes of 0.1 M acetic acid and 0.1 M sodium acetate. The dissociation constant of acetic acid is 1.8 × 10^-5.

asked 5 days ago in Chemical reactions by JaneenZepps (370 points)

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How does changing the reactant stoichiometry affect the reaction rate of a chemical reaction, and what is the quantitative relationship between the two variables?

asked 5 days ago in Chemical kinetics by GudrunBoyer (630 points)

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How do chaperone proteins facilitate proper folding of newly synthesized polypeptide chains during protein synthesis? Include the role of ATP in the folding process in your answer.

asked 5 days ago in BioChemistry by AlejandraTra (550 points)

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How does changing the reactant orientation in a chemical reaction affect the reaction rate? Provide specific examples and experimental data to support your answer.

asked 5 days ago in Chemical kinetics by YasminKoerst (390 points)

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How does changing the concentration of reactants or products affect the equilibrium position of a chemical reaction? Provide a specific example to support your answer.

asked 5 days ago in Chemical equilibrium by QDHRoosevelt (190 points)

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Calculate the standard electrode potential of an electrode that is in contact with a solution containing 0.1 M copper (II) ions and its concentration of Cu2+ ions is in equilibrium with a hydrogen electrode at 1 atm hydrogen pressure and pH = 0.

asked 5 days ago in ElectroChemistry by JaydenOutlaw (790 points)

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What is the effect of changing the orientation of reactant molecules on the rate of a chemical reaction?

asked 5 days ago in Chemical kinetics by AurelioR7069 (270 points)

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What is the effect of changing the concentration of reactants on the rate of reaction and ultimately the profitability of the reaction in the synthesis of aspirin?

asked 5 days ago in Chemical kinetics by Luke37258313 (450 points)

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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 5 days ago in Chemical thermodynamics by Eulah68Z087 (650 points)

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Calculate the standard enthalpy change for the dissolution of 5.00 g of solid sodium hydroxide (NaOH) in water, given that the molar enthalpy of dissolution of NaOH is -44.51 kJ/mol. Assume that the specific heat capacity and density of the solution are the same as pure water and that no heat is lost to the surroundings during the dissolution process.

asked 5 days ago in Chemical thermodynamics by LibbyWhittel (430 points)

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Calculate the standard enthalpy change for the dissolution of 3 mol of potassium chloride (KCl) in 1000 mL of water, given that the molar enthalpy of dissolution is -17.4 kJ/mol.

asked 5 days ago in Chemical thermodynamics by HalWhitten9 (590 points)

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How does changing the initial orientation of reactant molecules affect the rate of a chemical reaction?

asked 5 days ago in Chemical kinetics by ErinMorwood2 (370 points)

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What is the effect of changing the concentration of reactants on the conversion of reactants into products?

asked 5 days ago in Chemical kinetics by LottieWolken (550 points)

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Calculate the power output of a Galvanic cell consisting of a standard hydrogen electrode and a standard copper electrode at 298 K when the concentration of copper ions in the cathode half-cell is 0.1 M and hydrogen gas pressure in the anode half-cell is at 1 bar. The standard reduction potentials for the hydrogen and copper half-reactions are +0.0 V and +0.34 V, respectively.

asked 5 days ago in ElectroChemistry by VerlaBoard7 (590 points)

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How does changing the concentration of reactants affect the reaction rate in the chemical reaction between HCl and Na2S2O3?

asked 5 days ago in Chemical kinetics by JamisonBachu (310 points)

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1 answer 28 views

How does changing the reaction conditions (e.g. temperature, pressure, solvent) affect the reaction mechanism of a particular chemical reaction? Use quantum chemical calculations to predict the mechanism and compare it to experimental results.

asked 5 days ago in Computational Chemistry by CallumBoynto (370 points)

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How does changing the pH of the reaction mixture affect the equilibrium position of the reaction between a weak acid and a weak base? Provide an explanation based on Le Chatelier's principle and numerical examples for a specific acid-base reaction.

asked 5 days ago in Chemical equilibrium by DelphiaCurre (530 points)

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How does changing the molecular structure of a substance affect its magnetic properties, and how can this information be used in the design of novel materials with specific magnetic properties?

asked 5 days ago in Quantum Chemistry by JeffrySchuhm (390 points)

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