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What are the specific enzymes responsible for metabolizing a certain group of drugs used in treating hypertension, and how do variations in these enzymes affect the efficacy and potential adverse effects of the drugs?

asked Mar 1 in Medicinal Chemistry by TheScientist (138k points)

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How can we control and optimize the fluorescence properties of quantum dots through photochemical processes?

asked Mar 1 in PhotoChemistry by TheScientist (138k points)

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What is the maximum yield of benzocaine that can be obtained from the reaction between p-aminobenzoic acid and ethanol, assuming 100% conversion of the reactants and a starting mass of 5 grams of p-aminobenzoic acid with excess ethanol?

asked Mar 1 in Chemical synthesis by TheScientist (138k points)

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What is the heat necessary to increase the temperature of 50 grams of water by 10 degrees Celsius, using a calorimeter with a heat capacity of 20 Joules/Kelvin?

asked Mar 1 in ThermoChemistry by TheScientist (138k points)

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What is the cathodic Tafel slope of a zinc electrode immersed in a solution of 0.1 M Zn2+ ions at 25°C, when the current density is 50 mA/cm²? The exchange current density for this reaction is known to be 1.2 x 10^-6 A/cm².

asked Mar 1 in ElectroChemistry by TheScientist (138k points)

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Sure, here is a precise problem for the student to solve:Calculate the heat capacity (in J/K) of a 50.0 g sample of an unknown substance that requires 167 J to increase its temperature by 5.00 °C.

asked Mar 1 in ThermoChemistry by TheScientist (138k points)

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Using molecular orbital theory, calculate the bond order of the carbon monoxide molecule (CO). Show your work and explain how the bond order relates to the stability of the molecule.

asked Mar 1 in Chemical bonding by TheScientist (138k points)

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What is the heat capacity of 25 grams of water if its temperature rises from 20°C to 50°C?

asked Mar 1 in Chemical thermodynamics by TheScientist (138k points)

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What is the exchange current density for a copper electrode in contact with a 1M solution of CuSO4 at a temperature of 25°C if the electrode potential is measured to be 0.25 V versus the standard hydrogen electrode?

asked Mar 1 in ElectroChemistry by TheScientist (138k points)

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What factors affect the effectiveness of sunscreen agents in protecting the skin from UV radiation?

asked Mar 1 in PhotoChemistry by TheScientist (138k points)

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What is the surface area of a sample of activated carbon that adsorbs 2.5 moles of nitrogen gas at 77 K and a pressure of 1 atm according to the BET theory? The sample weight is 3 grams and the molecular weight of nitrogen is 28 g/mol.

asked Mar 1 in Surface Chemistry by TheScientist (138k points)

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What is the Gibbs free energy change for the electrochemical reduction of 1 mol of Au3+ to Au in a standard electrochemical cell with a cell potential of 1.42 V at 298 K?

asked Mar 1 in ElectroChemistry by TheScientist (138k points)

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What is the pH of a 0.1 M solution of hydrochloric acid (HCl) measured using a pH meter at 25°C?

asked Mar 1 in Analytical Chemistry by TheScientist (138k points)

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How does thermal analysis (TA) help in the analysis and characterization of polymers? Provide a detailed explanation of the various TA techniques and their applications in polymer chemistry.

asked Mar 1 in Polymer Chemistry by TheScientist (138k points)

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What is the entropy change (∆S) for the reaction: 2H2(g) + O2(g) → 2H2O(l) given the standard entropy values ∆S°(H2(g)) = 130.6 J/K·mol ∆S°(O2(g)) = 205.0 J/K·mol ∆S°(H2O(l)) = -69.9 J/K·mol

asked Mar 1 in Chemical thermodynamics by TheScientist (138k points)

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1 answer 79 views

What is the corrosion potential of a stainless steel (SS316) electrode in a 0.1 M sodium chloride (NaCl) solution at 25°C if the pH of the solution is 7.2? The standard reduction potential of SS316 is -0.71 V vs. a standard hydrogen electrode (SHE).

asked Mar 1 in ElectroChemistry by TheScientist (138k points)

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What is the standard free energy change for the redox reaction of 2 Fe^2+(aq) + Cl2(g) → 2 Fe^3+(aq) + 2 Cl^-(aq) at 298 K?

asked Mar 1 in Chemical thermodynamics by TheScientist (138k points)

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What is the enthalpy change when 2.5 moles of methane are burned completely in excess oxygen gas, given that the enthalpy of combustion of methane is -890 kJ/mol?

asked Mar 1 in ThermoChemistry by TheScientist (138k points)

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How does the mechanism of action of drug A affect the pharmacokinetics of drug B in the presence of co-administration, and what are the potential adverse effects that may arise due to this drug-drug interaction in the treatment of a specific disease?

asked Mar 1 in Medicinal Chemistry by TheScientist (138k points)

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What is the pH of a 0.1 M HCl solution?

asked Mar 1 in Chemical reactions by TheScientist (138k points)

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