Recent activity by AnnmarieHine

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Given a certain electrochemical reaction, the anodic and cathodic Tafel slopes were found to be 60 mV/decade and 100 mV/decade, respectively. Calculate the exchange current density of the reaction.

answered 23 hours ago in ElectroChemistry

1 answer 30 views

Calculate the standard Gibbs free energy change for the electrochemical cell reaction using the given half-reactions:Cu^2+(aq) + 2 e^- → Cu(s) E° = +0.34 VSn^4+(aq) + 2 e^- → Sn^2+(aq) E° = +0.15 VConstruct the cell diagram and identify the anode and cathode. Determine the overall cell potential and whether the reaction is spontaneous.

answered 1 day ago in ElectroChemistry

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How does changing the surface chemistry of a solid surface affect the adsorption of proteins, and how can this knowledge be applied to improve biomaterials design for medical implants?

answered 2 days ago in Surface Chemistry

1 answer 5 views

According to Erik Erikson, how does personality development occur throughout the lifespan?

answered Jan 15 in Psychology

1 answer 20 views

What is the difference between sensory memory and short-term memory?

asked Jan 14 in Psychology

1 answer 25 views

What is ego psychology?

asked Jan 13 in Psychology

1 answer 22 views

What is the humanistic perspective?

asked Jan 13 in Psychology

1 answer 22 views

Where part of the atmosphere is the uppermost mantle?

asked Jan 8 in Science

1 answer 21 views

What type of hydrocarbons contain at least one double or triple bond between carbon atoms?

answered Jan 8 in Science

1 answer 22 views

What term is used to describe the average weather of a place over many years?

answered Jan 8 in Science

1 answer 56 views

What is speed at any given instant called?

asked Jan 6 in Science

1 answer 30 views

What gas is released into the atmosphere when fossil fuels are burned?

answered Jan 6 in Science

1 answer 22 views

What country put seven salyut space stations into orbit between 1971 and 1982?

asked Jan 6 in Science

1 answer 33 views

The strength of an acid depends on how many of which ions it produces when it dissolves in water?

asked Jan 2 in Science

1 answer 22 views

The electronegativity of an element increases with increasing of what state?

answered Jan 2 in Science

1 answer 54 views

Potassium is a soft, silvery metal that ignites explosively in what?

answered Dec 31, 2024 in Science

1 answer 9 views

Most, if not all, of the extant animal phyla today evolved during the cambrian period, yet many of what devastating events have taken place since then?

asked Dec 31, 2024 in Science

1 answer 28 views

In physics, _______ is defined as the average kinetic energy of the particles in an object?

asked Dec 31, 2024 in Science

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