Answers by AugustBranno

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How does the rotation of molecules affect energy transfer processes between them? An experimental study using quantum chemistry simulations.

answered 1 day ago in Quantum Chemistry

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23 views

How does the pH level of a solution affect the reaction rate between sodium thiosulfate and hydrochloric acid?

answered 3 days ago in Chemical kinetics

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22 views

How does the reaction mechanism affect the reaction rate in the decomposition of hydrogen peroxide catalyzed by iodide ions?

answered 3 days ago in Chemical kinetics

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22 views

How does the catalytic activity of enzymes depend on temperature and pH? Provide experimental evidence to support your answer.

answered Feb 18 in BioChemistry

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33 views

How does the carbon footprint of a major city contribute to the increase in atmospheric carbon dioxide and what can be done to reduce this impact?

answered Feb 18 in Environmental Chemistry

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How does surface chemistry of corrosion and passivation affect the durability of metallic objects exposed to different corrosive environments over time?

answered Feb 17 in Surface Chemistry

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30 views

Identify the type of bonding present in potassium iodide (KI) and explain how it influences the physical properties of the compound.

answered Feb 14 in Chemical bonding

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How can the yield of a pharmaceutical drug production process be improved to increase the overall efficiency and reduce the cost of production?

answered Feb 13 in Chemical engineering

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51 views

How can the stability of an emulsion be enhanced using surfactants and what factors affect the stability of the emulsion?

answered Feb 10 in Surface Chemistry

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35 views

How can the integration of technology improve student engagement and understanding in chemical education while also addressing the challenges faced by educators in implementing these technologies?

answered Feb 7 in Chemical education

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41 views

How can chemistry teachers provide better support for students with learning disabilities in the classroom to ensure they have equal access to learning opportunities and achieve success in the subject?

answered Feb 5 in Chemical education

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33 views

How can a chemical engineer develop a cost-effective process for the production of 1 ton of ethylene glycol using a fixed-bed catalytic reactor?

answered Feb 4 in Chemical engineering

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28 views

Given the equilibrium reaction: 2NOCl(g) ⇌ 2NO(g) + Cl2(g), if the equilibrium constant (Kc) at 25°C is 2.45 x 10^-3, what will be the new value of Kc if the temperature is increased to 50°C?

answered Feb 4 in Chemical equilibrium

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40 views

Determine the Tafel slopes for the oxidation of H2 gas and the reduction of O2 gas using a platinum electrode in a 1 M acidic solution. The measured current densities at the anode and cathode were 0.5 mA/cm² and 0.3 mA/cm², respectively.

answered Feb 4 in ElectroChemistry

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42 views

Calculate the standard electrode potential for the reaction Ag+ (aq) + Cu (s) → Ag (s) + Cu2+ (aq) given that the standard electrode potentials for Ag+ (aq) + e- → Ag (s) and Cu2+ (aq) + 2e- → Cu (s) are 0.80 V and 0.34 V respectively.

answered Feb 3 in Chemical thermodynamics

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53 views

How does changing the molecular geometry affect the electronic excited states and optical properties of a molecule?

answered Feb 3 in Quantum Chemistry

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96 views

How does the photochemical process in bioluminescent organisms differ from non-luminescent organisms, and what biochemical pathways are involved in producing the light emission?

answered Jan 31 in PhotoChemistry

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52 views

Calculate the entropy change (∆S) when a container of volume 1.0 L is filled with 1.0 mol of ideal gas at a temperature of 300 K and a pressure of 1.0 atm, and then the gas is allowed to expand irreversibly to fill a volume of 2.0 L against a constant external pressure of 0.5 atm at the same temperature.

answered Jan 23 in Physical Chemistry

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50 views

A student wanted to determine the Faraday constant using the electrolysis of silver nitrate solution. If a current of 2.5 amperes flowed through the solution for 2 hours and 30 minutes, and 0.508 grams of silver were deposited on the cathode, what is the value of the Faraday constant?

answered Jan 22 in ElectroChemistry

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10 views

What is correlation research?

answered Jan 20 in Psychology

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