Recent activity by TabathaHerma

1 answer 33 views

How can the specific surface area of a porous material be accurately determined using gas adsorption techniques?

answered 2 days ago in Surface Chemistry

1 answer 26 views

Calculate the standard enthalpy of formation for propene (C3H6) given that the standard enthalpy of combustion of propene is -1411.1 kJ/mol and the standard enthalpy of formation of carbon dioxide (CO2) and water (H2O) are -393.5 kJ/mol and -285.8 kJ/mol respectively.

asked Feb 3 in Chemical thermodynamics

1 answer 41 views

Calculate the number of electrons transferred in the following reaction: Cu(s) + 2AgNO3(aq) → Cu(NO3)2(aq) + 2Ag(s) Hint: In order to balance the equation, you'll need to add electrons to one side of the reaction.

answered Feb 3 in ElectroChemistry

1 answer 48 views

Calculate the bond dissociation energy of the H-H bond in the H2 molecule. Given the bond length of H2 is 74 pm and the enthalpy change for the reaction H2(g) → 2H(g) is 436 kJ/mol.

asked Jan 23 in Chemical bonding

1 answer 27 views

Why is mindfulness-based cognitive therapy used?

answered Jan 20 in Psychology

1 answer 60 views

How does the social disorganisation theory explain the role of neighbourhood factors in violence?

asked Jan 20 in Psychology

1 answer 37 views

What are the limitations of discursive psychology?

answered Jan 20 in Psychology

1 answer 38 views

How can the door-in-the-face technique be used for social change?

asked Jan 20 in Psychology

1 answer 27 views

What is the cognitive niche hypothesis?

answered Jan 15 in Psychology

1 answer 49 views

Who developed the concept of authenticity in existential therapy?

answered Jan 13 in Psychology

1 answer 29 views

What protects a developing flower while it is still a bud?

asked Jan 7 in Science

1 answer 32 views

What is named after the type of enzyme they interact with in the cell?

answered Jan 6 in Science

1 answer 40 views

How long can carbon be stored in sedimentary rock?

asked Dec 30, 2024 in Science

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