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How can we design a system for the production of natural strawberry flavor using chemical engineering principles, while minimizing the use of synthetic components and ensuring that the final product is safe for human consumption?

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

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What is the reaction rate of the decomposition of 2 moles of hydrogen peroxide in the presence of a catalyst at 25°C and 1 atm pressure, if the concentration of the catalyst is 0.1 M and the decomposition takes place within 20 seconds?

asked Mar 1 in Chemical reactions 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 is the standard enthalpy change for the reaction between 50 mL of 1 M sulfuric acid and 40 mL of 1.5 M sodium hydroxide at 25 °C, given that the temperature change observed was 6.5 °C?

asked Mar 1 in Chemical thermodynamics 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 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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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 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 design a drug that specifically targets the cell wall synthesis pathway of Staphylococcus aureus bacteria while leaving other bacterial cell wall synthesis pathways unaffected?

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 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 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 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 pH of a solution that contains 0.02 moles of hydrochloric acid in 500 mL of water?

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

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What is the calculated magnetic moment of iron(III) oxide (Fe2O3) at room temperature using an experimental molar susceptibility of 5.48 × 10^-6 cm^3/mol?

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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What is the standard free energy change of the following redox reaction at 298 K and 1 bar?2Fe2+(aq) + H2O2(aq) + 2H+(aq) → 2Fe3+(aq) + 2H2O(l)Given the following standard reduction potentials:Fe3+/Fe2+ = +0.771 VH2O2/O2 = +0.695 V

asked Mar 1 in Chemical thermodynamics 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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How can we create more engaging and interactive chemistry demonstrations that appeal to students and increase their interest in the subject?

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

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