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How does the activation of cAMP-dependent protein kinase (PKA) affect the signal transduction pathway of the beta-adrenergic receptor? Explain the chemical mechanism behind this process.

asked Feb 17 in BioChemistry by MurrayDrew60 (1.7k points)

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How does the activation of an enzyme in the signal transduction pathway regulate the intracellular concentration of a specific molecule?

asked Feb 17 in BioChemistry by CandyDemaio (2.3k points)

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What chemical reactions occur during the activation of a G protein-coupled receptor (GPCR) in the signal transduction pathway?

asked Feb 17 in BioChemistry by Shelia708886 (2.1k points)

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What is the activation energy of the reaction between hydrogen peroxide and iodide ions, given that the rate constant at 25°C is 4.5 x 10^-4 s^-1 and the activation energy is 75 kJ/mol?

asked Feb 17 in Chemical kinetics by SoniaFanny4 (2.3k points)

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What is the activation energy of the reaction between hydrogen peroxide and iodide ions, given that the rate constant at 25°C is 0.068 s^-1 and the activation energy is 75 kJ/mol?

asked Feb 17 in Chemical kinetics by OtisBrumbaug (1.8k points)

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What is the activation energy of the reaction between hydrogen gas and iodine gas to form hydrogen iodide, given that the rate constant at 25°C is 1.52 × 10^-3 L^2mol^-2s^-1 and the activation energy of the reaction is 186.3 kJ/mol?

asked Feb 17 in Chemical reactions by EvieMerideth (2.3k points)

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How does the activation energy of the electron transfer process affect the rate of a redox reaction, and how can this be experimentally determined using quantum chemical calculations?

asked Feb 17 in Quantum Chemistry by FionaGreenbe (1.8k points)

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1 answer 59 views

How does the activation energy of the C-H bond cleavage reaction in methane vary with increasing temperature, as determined through quantum chemical calculations?

asked Feb 17 in Computational Chemistry by MamieSanmigu (1.8k points)

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1 answer 61 views

How does the activation energy of a chemical reaction affect its rate and mechanism?

asked Feb 17 in Quantum Chemistry by EnriqueJ252 (1.7k points)

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How does the activation energy of a chemical reaction affect its rate and mechanism, and how can quantum chemistry help in predicting and understanding these factors?

asked Feb 17 in Quantum Chemistry by FranklinPeel (2.2k points)

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What is the activation energy for the reaction of Zn and CuSO4 in a galvanic cell with a cell potential of 1.12V, given that the rate constant at 25°C is 5.7 × 10^-5 s^-1 and the activation energy is 87.4 kJ/mol?

asked Feb 17 in ElectroChemistry by GlenSchramm (1.7k points)

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What is the activation energy for the reaction between zinc and hydrochloric acid in an electrochemical cell at a temperature of 25°C given that the rate constant is 2.5 x 10^-3 M/s and the activation energy is 40 kJ/mol?

asked Feb 17 in ElectroChemistry by FletaStepp73 (2.0k points)

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What is the activation energy for the oxidation of iron in a rusting reaction occurring on a metallic iron surface in contact with saline water at room temperature?

asked Feb 17 in ElectroChemistry by MaeBuchanan (1.7k points)

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What is the activation energy for the electrochemical reaction between zinc and hydrochloric acid at room temperature?

asked Feb 17 in ElectroChemistry by Miguel37A006 (2.3k points)

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What is the activation energy for the electrochemical reaction between zinc and acid solution that produces hydrogen gas?

asked Feb 17 in ElectroChemistry by GracieGainfo (2.2k points)

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1 answer 74 views

What is the activation energy for the decomposition of hydrogen peroxide in the presence of a catalyst at a specific temperature? How does the activation energy compare to the uncatalyzed reaction?

asked Feb 17 in Chemical kinetics by MarcellaR325 (2.2k points)

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1 answer 63 views

What is the activation energy for the acid-catalyzed hydrolysis of sucrose at 25°C?

asked Feb 17 in Chemical kinetics by MarcellaR325 (2.2k points)

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How does the activation energy barrier and the electronic structure of reactants affect the prediction of reaction rates and mechanisms in the gas phase for a specific chemical reaction using quantum chemistry calculations?

asked Feb 17 in Quantum Chemistry by PeteWirtz263 (2.1k points)

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What is the activation energy of the reaction between hydrogen peroxide and iodide ion, and how does temperature affect the reaction rate? Provide experimental evidence to support your answer.

asked Feb 17 in Chemical kinetics by GudrunBatten (1.8k points)

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1 answer 64 views

How does the activation energy affect the rate of a chemical reaction, and can quantum chemistry be used to accurately predict the reaction mechanism and rate constant of a given reaction?

asked Feb 17 in Quantum Chemistry by ClarkFogarty (1.9k points)

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