Recent activity by MartySquires

1 answer 40 views

Dinitrogen tetroxide converts into nitrogen dioxide according to the following equation N2O4(g) ⇋ 2NO2(g). At equilibrium, the concentration of N2O4 is found to be 0.02 M and the concentration of NO2 is found to be 0.08 M. Calculate the equilibrium constant (Kc) for this reaction.

answered 1 day ago in Chemical equilibrium

1 answer 24 views

Calculate the standard electrode potential for the following redox reaction at 298K:Fe3+(aq) + e- → Fe2+(aq) Given the E°(Fe3+/Fe2+) = +0.77V.

asked 2 days ago in Chemical thermodynamics

1 answer 51 views

A student wants to synthesize a polymer using the monomer vinyl chloride. The reaction is exothermic and produces a polymer with an average molecular weight of 50,000 g/mol. The enthalpy change of polymerization for this reaction is -121.8 kJ/mol. How much heat is liberated during the polymerization of 1 mol of vinyl chloride?

answered Jan 22 in ThermoChemistry

1 answer 40 views

A brass alloy electrode with an area of 5 cm² is immersed in a 0.5 M NaCl solution at 25°C. Given that the standard potential of the electrode is -0.35 V versus a standard hydrogen electrode, calculate the corrosion current density of the electrode in the given environment using Tafel extrapolation.

answered Jan 22 in ElectroChemistry

1 answer 25 views

Please compare the psychodynamic and humanistic therapies for depression.

asked Jan 20 in Psychology

1 answer 37 views

What is the importance of reflexivity in discursive psychology?

answered Jan 20 in Psychology

1 answer 58 views

How can confounding variables be controlled?

answered Jan 17 in Psychology

1 answer 5 views

How does the ego defense mechanism relate to personality?

answered Jan 15 in Psychology

1 answer 19 views

Who developed the Minority Stress Model?

answered Jan 15 in Psychology

1 answer 31 views

What system carries messages from sense organs and internal organs to the central nervous system?

answered Jan 7 in Science

1 answer 20 views

What is a device that changes kinetic energy to electrical energy through electromagnetic induction?

answered Jan 6 in Science

1 answer 9 views

Unlike an adult sponge, what stage is motile due to cilia that propel it through water?

asked Jan 2 in Science

1 answer 27 views

The cytoplasm divides during what process?

asked Dec 31, 2024 in Science

1 answer 25 views

Many important crops, such as corn, are planted and harvested as what?

answered Dec 31, 2024 in Science

1 answer 23 views

What bond is a force of attraction between ions and atoms?

asked Dec 28, 2024 in Science

1 answer 8 views

What can exposure to chemical or biological agents cause later in life?

answered Dec 27, 2024 in Science

1 answer 17 views

What secretion initiates chemical digestion while also protecting the oral cavity?

asked Dec 27, 2024 in Science

1 answer 20 views

What often form symbiotic associations with much larger organisms?

answered Dec 27, 2024 in Science

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