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What is the Gibbs free energy change for the reaction of Zinc with Copper sulfate solution in which Zinc gets oxidized to Zinc sulfate and Copper ions get reduced to Copper metal, given the standard reduction potentials for each half-reaction?

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

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How can we design a novel medication for autoimmune diseases that specifically targets the dysfunctional immune cells and/or modulates the immune response without causing significant adverse effects on other healthy cells and bodily functions?

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

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How can we design a drug that specifically targets the bacterial cell wall synthesis of Staphylococcus aureus without affecting the human host cells?

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

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How can we design a drug that specifically targets and inhibits the enzyme responsible for producing cholesterol, while not affecting other cellular enzymes that are essential for maintaining normal cellular functions?

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

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What is the amount of work done during an irreversible expansion of an ideal gas at constant temperature and pressure?

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

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What is the percentage yield of aspirin obtained from the synthesis of aspirin using 5 grams of salicylic acid and excess acetic anhydride?

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

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What is the standard enthalpy change (ΔH°) for the reaction of 1 mole of liquid ethanol (C2H5OH) and 1 mole of liquid oxygen (O2) to produce 2 moles of gaseous carbon dioxide (CO2) and 3 moles of liquid water (H2O)?

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

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What is the energy difference between the ground state and the first excited state of a hydrogen atom using quantum chemical calculations?

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

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What is the molar mass of sodium sulfate decahydrate (Na2SO4.10H2O)?

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

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What is the rate of reaction for the combustion of methane in which 4.7 grams of methane reacts in 3.5 seconds to produce 11.2 grams of water vapor and carbon dioxide gas?

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

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Sure. What is the standard enthalpy change for the reaction of mixing 10g of ethyl alcohol (C2H5OH) with 25g of water (H2O) at 25°C, given that the heat evolved is 12.5 kJ?

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

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How can we design a system for producing surfactants with a desired level of purity, while maximizing efficiency and minimizing waste?

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

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What is the probability that a system of two ideal gas particles in a closed container will have both particles in the same half of the container at a certain temperature? Use the canonical ensemble in statistical mechanics to calculate the probability.

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

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What is the yield of 2,4-dinitrophenylhydrazine obtained when using an excess of hydrazine to react with 1.00 g of 2,4-dinitrochlorobenzene under standard conditions?

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

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What is the yield of 2,4-dinitrobenzoic acid produced from the reaction of 10 grams of benzoic acid with excess nitric acid in the presence of sulfuric acid catalyst under reflux, if the experimental yield obtained was 7.5 grams?

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

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What is the standard enthalpy change for the phase transition reaction of water from ice to liquid at 25°C and 1 atm pressure?

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

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What is the heat required to sublime 30 grams of dry ice (CO2) at a constant pressure of 1 atm? The heat of sublimation of CO2 is 25.2 kJ/mol.

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

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What is the heat required to raise the temperature of 75 g of water from 25°C to 90°C? Given that the specific heat capacity of water is 4.18 J/g°C.

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

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How can we design and synthesize a photochromic material that exhibits rapid and reversible photochromic behavior in response to visible light without the use of toxic or environmentally harmful components?

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

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What is the standard enthalpy change of solution of 3.5 g of sodium hydroxide (NaOH) in 50 mL of water at a constant temperature of 25 °C?

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

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