Recent activity by PaulineHarke

1 answer 25 views

Determine the bond energy required to break all the bonds in a molecule of methane (CH4) and calculate the total energy required to break all the bonds in 4.0 moles of methane. (Assume the bond energy values are: C-H bond energy = 413 kJ/mol and C-C bond energy = 347 kJ/mol)

asked 1 day ago in Chemical reactions

1 answer 38 views

How can the concentration of nickel in a given soil sample be determined using atomic absorption spectroscopy?

asked Jan 29 in Analytical Chemistry

1 answer 48 views

What is the major product formed when 1-methylcyclohexene undergoes hydrogenation in the presence of a palladium catalyst?

asked Jan 21 in Organic Chemistry

1 answer 24 views

According to the opponent-process theory, what is the relationship between primary and opponent emotions?

answered Jan 20 in Psychology

1 answer 21 views

Who developed the Health Action Process Approach HAPA ?

asked Jan 20 in Psychology

1 answer 23 views

According to humanistic psychology, what is self-actualisation?

asked Jan 16 in Psychology

1 answer 26 views

Why is hypermasculinity problematic?

answered Jan 15 in Psychology

1 answer 24 views

How do absolute threshold and difference threshold differ?

answered Jan 14 in Psychology

1 answer 35 views

What is the social identity theory?

answered Jan 13 in Psychology

1 answer 39 views

When both momentum and kinetic energy are conserved in a closed system, the collision is called what?

asked Jan 8 in Science

1 answer 63 views

What landform occurs most often along plate boundaries?

asked Jan 7 in Science

1 answer 7 views

What is the term for crops that are genetically modified with new genes that code for traits useful to humans?

answered Jan 7 in Science

1 answer 24 views

In a photosystem, pigments in the light-harvesting complex pass light energy to two special molecules of what in the reaction center?

answered Dec 31, 2024 in Science

1 answer 27 views

What is the name for the nonliving parts of ecosystems?

asked Dec 28, 2024 in Science

1 answer 45 views

What consists of thylakoid membranes surrounded by stroma?

answered Dec 28, 2024 in Science

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