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Explain why Sc3+(aq) is colourless, while Ni2+(aq) is green.

Colour arises due to partially filled d-orbitals. D-orbitals are split into two sub-orbitals with slightly different energies. When an electron in the lower energy d sub-orbital absorbs light, it moves up...

Answered by Carolina A. • Chemistry tutor

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Under which conditions does CH4 have the same number of molecules as 100cm^3 of O2 at 27 degrees celsius and 1.0x10^5 Pa?

Options:A: 50cm^3, 54 degrees celsius, 1.0x10^5 Pa B: 50cm^3, 327 degrees celsius, 1.0x10^5 PaC: 100cm^3, 54 degrees celsius, 2.0x10^5 PaD: 100cm^3, 327 degrees celsius, 2.0x10^5 Pa
The equation to u...

Answered by Tom P. • Chemistry tutor

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Explain how one study demonstrates localization of function in the brain.

The brain is seen as the command centre of human activity and therefore, psychologists aim to develop a deeper understanding of its role and how it matures, develops and adapts over lifetime. Prior to the...

Answered by Charikleia (Haris) K. • Psychology tutor

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Explain how at least 2 literary pieces have portrayed a social group in a particular way. How might the contexts of these authors have influenced the portrayals of these groups?

(I will not write an entire answer as this is expected to be in essay form therefore I wouldn't be able to cover all of the response required)Introduction:Establish the texts being used and in particular ...

Answered by Nikhita S. • English Language tutor

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Comment Victor Hugo permet - il a sa fille décédée Léopoldine de revivre à travers son poème "Demain des l'aube"?

Dans ce poème, Victor Hugo décrit tout d'abord un voyage déterminé. Il va partir sans tarder: "demain dès l'aube", "à l'heure où blanchit la campagne", afin de retrouver cette personne...

Answered by Axelle T. • French tutor

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