Recent activity by MarleneEllis

1 answer 34 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)

asked 2 days ago in Chemical thermodynamics

1 answer 55 views

What are the effects of branching and crosslinking on the physical properties of polymers? Provide specific examples of how branching and crosslinking affect the glass transition temperature, crystallinity, and mechanical properties of polymers.

answered 4 days ago in Physical Chemistry

1 answer 42 views

Calculate the equilibrium constant for the following electrochemical cell reaction at 25°C:Cu(s) + 2 Ag+(aq) --> Cu2+(aq) + 2 Ag(s)Given the standard reduction potentials are:Cu2+(aq) + 2 e- → Cu(s) E°red = +0.34 VAg+(aq) + 1 e- → Ag(s) E°red = +0.80 V

asked Jan 23 in ElectroChemistry

1 answer 32 views

Can social identity theory explain prejudice and discrimination?

answered Jan 20 in Psychology

1 answer 26 views

What is an epidemiological study in theory evaluation, and what are its strengths and limitations?

asked Jan 16 in Psychology

1 answer 17 views

What is the Dual Mechanism Theory of hearing?

answered Jan 16 in Psychology

1 answer 23 views

Who is associated with the cognitive behavioural therapy for anxiety?

asked Jan 15 in Psychology

1 answer 39 views

According to the Bayesian theory of mind, how do people make decisions?

asked Jan 15 in Psychology

1 answer 24 views

What is the definition of attribution theory?

answered Jan 15 in Psychology

1 answer 38 views

What is self-handicapping?

answered Jan 13 in Psychology

1 answer 28 views

Which is the fourth planet from the sun?

asked Jan 8 in Science

1 answer 26 views

When the ph of precipitation is lowered because of air pollution, what results?

asked Jan 8 in Science

1 answer 26 views

The anatomical arrangement of capillaries and alveoli emphasizes the structural and functional relationship of what systems?

answered Dec 31, 2024 in Science

1 answer 17 views

Both energy and heat can be expressed in units of what?

answered Dec 30, 2024 in Science

1 answer 22 views

A weak and temporary dipole that influences nearby atoms through electrostatic attraction and repulsion is known as what?

answered Dec 30, 2024 in Science

1 answer 21 views

What protists absorb food molecules across their cell membranes?

asked Dec 28, 2024 in Science

1 answer 8 views

What type of particles can a beta particle be?

answered Dec 27, 2024 in Science

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