Recent activity by FrancescaBid

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Calculate the standard cell potential (E°) for the following electrochemical cell:Zn(s) | Zn2+(aq, 0.100M) || Cr3+(aq, 0.050M) | Cr(s)Given: E°cell (Zn2+/Zn) = -0.76 VE°cell (Cr3+/Cr) = -0.74 V

answered 2 days ago in Physical Chemistry

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Calculate the equilibrium constant at 25°C for the reaction: CO(g) + 3H2(g) ⇌ CH4(g) + H2O(g) If at equilibrium, the concentration of CO is 0.10 M, H2 is 0.20 M, CH4 is 0.015 M and H2O is 0.035 M.

asked Jan 23 in Chemical equilibrium

1 answer 39 views

Calculate the enthalpy of desorption of hydrogen gas (H2) from a platinum surface, given that the temperature of the surface is 298 K and the pressure of H2 gas above the surface is 1 atm. The adsorption enthalpy of H2 on Pt is -43300 J/mol. (Assume ideal gas behavior for H2.)

asked Jan 23 in ThermoChemistry

1 answer 19 views

When was the concept of working memory proposed?

asked Jan 20 in Psychology

1 answer 20 views

Who might benefit from community psychology?

asked Jan 17 in Psychology

1 answer 22 views

According to the social cognitive theory, what is the role of modelling in anxiety?

answered Jan 17 in Psychology

1 answer 24 views

Where must the criteria for evaluating theoritical models be clearly stated?

asked Jan 16 in Psychology

1 answer 45 views

What is computational modeling?

answered Jan 14 in Psychology

1 answer 27 views

What is the difference between an emotion and a feeling?

asked Jan 14 in Psychology

1 answer 24 views

When sand is deposited along a shoreline, what is created?

answered Jan 8 in Science

1 answer 27 views

What may the jointed appendages of arthropods be used for?

asked Jan 7 in Science

1 answer 17 views

What branch of science offers an overview of the physiology of humans?

asked Jan 6 in Science

1 answer 46 views

What are the three fundamental phases of matter?

answered Jan 6 in Science

1 answer 25 views

Steam actually consists of tiny droplets of liquid what?

asked Dec 31, 2024 in Science

1 answer 10 views

Melting, sublimation, and evaporation absorb what from their surroundings?

answered Dec 31, 2024 in Science

1 answer 73 views

In what type of mining must tunnels be blasted into the rock so that miners and equipment can get to the ore?

asked Dec 31, 2024 in Science

1 answer 48 views

People with red hair usually have what type of skin?

answered Dec 27, 2024 in Science

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