Recent activity by RosemarieKin

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What is the reaction quotient for the following chemical reaction at 298K, given the concentrations of the reactants and products?2NO (g) + O2 (g) ⇌ 2NO2 (g)[NO] = 0.50 M[O2] = 0.25 M[NO2] = 0.75 M

asked 3 days ago in Chemical thermodynamics

1 answer 18 views

What is the optimal ratio of diisocyanate and polyol required to synthesize polyurethane with desirable mechanical properties?

answered 4 days ago in Chemical synthesis

1 answer 19 views

What is the effect of the molecular weight of a polymer on the electrical conductivity of a polymer-based electronic material?

answered 4 days ago in Polymer Chemistry

1 answer 17 views

What is the effect of varying concentrations of plasma treatment on the surface properties of a biopolymer-based biomaterial?

answered 5 days ago in Surface Chemistry

1 answer 21 views

What is the effect of different wavelengths of light on the rate of the hydrogen peroxide decomposition reaction?

asked 6 days ago in Chemical kinetics

1 answer 21 views

What is the hybridization of the central atom in the molecule of formaldehyde (CH2O)?

asked Feb 18 in Chemical bonding

1 answer 27 views

What is the bond energy required to break a single bond between two carbon atoms in a molecule of ethane (C2H6)?

asked Feb 18 in Chemical reactions

1 answer 23 views

What is the best method to remediate soil contaminated with heavy metals such as lead, chromium, and cadmium, to reduce their impact on agricultural crops?

answered Feb 17 in Environmental Chemistry

1 answer 21 views

How does the addition of cholesterol affect the fluidity and stability of a lipid bilayer composed of phospholipids?

answered Feb 17 in Computational Chemistry

1 answer 21 views

How can we optimize the SERS performance in detecting trace amounts of environmental pollutants?

asked Feb 17 in Surface Chemistry

1 answer 23 views

How do persistent organic pollutants (POPs) affect the ecosystem and what are some viable solutions to reduce their impact on the environment?

answered Feb 14 in Environmental Chemistry

1 answer 11 views

How does the density functional theory calculations explain the catalytic activity of transition metal nanoparticles in the oxygen reduction reaction?

asked Feb 12 in Computational Chemistry

1 answer 9 views

What is the impact of chlorofluorocarbons (CFCs) on the ozone layer and how can their production and use be reduced to prevent further ozone depletion?

asked Feb 12 in Environmental Chemistry

1 answer 38 views

How can the synthesis of nylon-6,6 from adipic acid and hexamethylenediamine be optimized to produce the highest yield and purity of the final product?

answered Feb 11 in Chemical synthesis

1 answer 28 views

How can the level of volatile organic compounds (VOCs) in outdoor air be monitored and reduced to improve air quality in a given city or urban area? Determine the most effective strategies and technologies for reducing VOCs emissions and evaluate their potential impact on the environment and public health.

answered Feb 7 in Environmental Chemistry

1 answer 29 views

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

asked Feb 6 in Chemical education

1 answer 10 views

Consider two coordination compounds, [Co(NH3)4Cl2] and [Co(NH3)5Cl] with the same formula weight but different physical properties. Explain the type of isomerism present in each compound, draw their structures and identify which compound exhibits optical isomerism.

answered Feb 3 in Coordination Chemistry

1 answer 50 views

Calculate the standard electrode potential (E°) for the reaction below at 298K using the standard reduction potentials given:2H⁺(aq) + 2e⁻ → H₂(g) E°= 0.00VFe³⁺(aq) + e⁻ → Fe²⁺(aq) E°=+0.77V 2H⁺(aq) + Fe³⁺(aq) → H₂(g) + Fe²⁺(aq)

answered Feb 3 in Chemical thermodynamics

1 answer 67 views

What new medicinal compounds or therapies can be developed for the treatment of psoriasis, a chronic skin disease characterized by scaly patches and inflammation?

answered Jan 31 in Medicinal Chemistry

1 answer 45 views

How will an increase in temperature affect the equilibrium of the reaction 2SO2 (g) + O2(g) ⇌ 2SO3(g) ?

asked Jan 31 in Chemical equilibrium

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