Recent activity by GabrieleVanw

1 answer 31 views

How do the size and shape of nanoparticles affect their catalytic activity in a specific chemical reaction?

1 answer 30 views

How does the increase in temperature affect the reaction rate of the decomposition of hydrogen peroxide catalyzed by manganese dioxide (MnO2)?

answered Feb 24 in Chemical kinetics

1 answer 34 views

What is the optimized temperature and reaction conditions for the synthesis of polystyrene from styrene monomers using free radical polymerization?

answered Feb 22 in Chemical synthesis

1 answer 38 views

What is the magnetic moment of [Fe(H2O)6]2+ complex ion?

answered Feb 20 in Inorganic Chemistry

1 answer 34 views

What is the effect of metal substitution in metal-organic frameworks on their gas adsorption properties at varying temperatures and pressures?

answered Feb 19 in Computational Chemistry

1 answer 32 views

How does the addition of clay nanoparticles affect the mechanical properties of a polymer matrix in polymer nanocomposites?

answered Feb 17 in Polymer Chemistry

1 answer 44 views

How does temperature and pressure affect the phase transitions of methane-water mixtures simulated with Monte Carlo methods?

answered Feb 17 in Computational Chemistry

1 answer 43 views

How can the yield of polyethylene synthesis from ethylene be optimized while minimizing the formation of byproducts and maintaining the desired molecular weight and physical properties of the polymer?

answered Feb 14 in Chemical synthesis

1 answer 74 views

What is the basicity of ethylamine compared to ammonia? Justify your answer with the help of relevant chemical equations and explain the trend in basicity of primary, secondary and tertiary amines.

asked Feb 13 in Organic Chemistry

1 answer 72 views

What is the effect of decreasing pH on the equilibrium position of a weak acid-base reaction? Provide an example equation to support your answer.

answered Feb 12 in Chemical equilibrium

1 answer 68 views

How can the properties of liquid crystals, such as flow behavior, birefringence, and response to electric fields, be optimized for use in various display technologies, such as LCD and OLED displays?

asked Feb 10 in Materials Chemistry

1 answer 36 views

How can the preparation of phenylalanine from benzyl chloride and ammonia be optimized to increase the yield of the reaction?

answered Feb 10 in Chemical synthesis

1 answer 41 views

How can the mechanical properties of 3D printed polymer parts be improved while maintaining their shape and dimensional accuracy?

answered Feb 10 in Materials Chemistry

1 answer 34 views

How can chemistry teachers provide adequate support for students with learning disabilities in the classroom to ensure their success in the subject?

answered Feb 6 in Chemical education

1 answer 47 views

How can one predict the crystal structure of inorganic solids using experimental data and theoretical calculations?

asked Feb 5 in Inorganic Chemistry

1 answer 39 views

How can chemistry students effectively learn important experimental concepts and techniques when given limited opportunities for hands-on experimentation?

answered Feb 4 in Chemical education

1 answer 33 views

Consider the reaction: 2H2(g) + O2(g) → 2H2O(g) ΔH= −483.6 kJ/molAt constant temperature and pressure, 4 moles of hydrogen and 2 moles of oxygen are allowed to react. What is the maximum amount of work that can be obtained from this reaction?

asked Feb 3 in Physical Chemistry

1 answer 41 views

How does changing the concentration of reactants affect the reaction rate and the yield of products in the reaction between sodium thiosulphate and hydrochloric acid, and what is the optimal concentration of reactants to achieve the highest yield?

asked Feb 3 in Chemical kinetics

1 answer 89 views

What are the photochemical properties of a specific bioluminescent organism and how can these properties be utilized for practical applications, such as in biomedical imaging or in the development of new technologies for light generation?

answered Jan 31 in PhotoChemistry

1 answer 110 views

How can we increase awareness and importance of environmental chemistry in chemistry education programs to encourage students to consider the impact of chemistry on the environment?

answered Jan 30 in Chemical education

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