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How can we design a treatment system to remove high levels of organic pollutants (such as oils and greases) from industrial wastewater using cost-effective and environmentally sustainable methods?

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

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How can we use computational methods to design new drug molecules that could effectively treat respiratory diseases such as asthma, chronic obstructive pulmonary disease (COPD) or cystic fibrosis?

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

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How to design an efficient system for the production of surfactants that meets the required chemical properties and manufacturing standards while minimizing environmental impact and maintaining cost-effectiveness?

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

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How can we design a synthesis method to produce copper nanoparticles with uniform size and shape for use in catalytic applications?

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

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What is the standard enthalpy change for the reaction 2NO(g) + O2(g) ⟶ 2NO2(g) , given that the standard enthalpy of formation of NO(g), O2(g) and NO2(g) are 90.4 kJ/mol , 0 kJ/mol, and 33.2 kJ/mol, respectively?

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

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What is the standard enthalpy change for the reaction between 50 mL of 0.1 M HCl(aq) and 50 mL of 0.1 M NaOH(aq) at 25°C, given that the resulting solution has a density of 1.05 g/mL and a heat capacity of 4.184 J/goC?

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

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How can we design antiviral drugs that specifically target the replication process of the influenza virus without affecting the replication of other viruses?

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

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How does the zeta potential affect the stability of colloidal systems, and how can it be measured experimentally?

asked Feb 28 in Surface Chemistry by TheScientist (138k points)

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How to design a chemical reactor for the production of 500 grams of acetic acid per hour using a catalyst at a specific temperature and pressure? What would be the optimum size of the reactor and the required flow rate of reactants?

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

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How can we control the photochromic properties of a material to achieve desired color changes under specific light conditions, and what factors impact the efficiency of these changes?

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

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What experimental observations can you perform to confidently identify a substance as an ionic, covalent or metallic solid? Give specific examples of solids that can be confidently classified using these observations.

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

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How can we use computational methods to design new antiviral drugs with more potent and specific activity against a particular viral strain?

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

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How can we modify the synthesis methods for carbon nanotubes to achieve a higher purity and better control of the nanotube structures?

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

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What is the standard enthalpy change for the reaction of 2 moles of carbon with 1 mole of oxygen to form carbon monoxide, given that the process occurs at standard conditions?

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

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In an electrochemical experiment, the anodic and cathodic Tafel slopes were found to be 100 mV/decade and 120 mV/decade, respectively. Calculate the value of exchange current density for the reaction.

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

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What is the mass of copper deposited on a cathode when a current of 5A is applied for 1 hour in a copper sulfate solution with a concentration of 0.5M? (Molar Mass of Cu: 63.55 g/mol and Faraday's constant: 96,485 C/mol)

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

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What is the mass of copper deposited on the cathode when a current of 5 A is passed through a solution of copper (II) sulfate for 2 hours? Given that the atomic mass of copper is 63.5 g/mol and the Faraday constant is 96485 C/mol.

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

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What is the yield of 2,4-dinitrophenylhydrazine obtained from the reaction of hydrazine and 2,4-dinitrochlorobenzene if 5 grams of hydrazine and 7 grams of 2,4-dinitrochlorobenzene are used and the resulting product weighs 4.5 grams?

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

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How can you design a photochemical experiment to distinguish between the enantiomers of a chiral compound and determine their specific photochemical properties?

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

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What is the pH of a 0.1 M solution of hydrochloric acid when measured using a pH meter? Show the step-by-step calculations and include the proper use of significant figures in your answer.

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

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