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When an ambulance drives away from you it has a lower pitch than when it is stationary. The faster the ambulance drives away from you the lower the pitch of it's siren will be. This is called the Doppler ...

The electronic configuration is 1s2,2s2,2p6,3s2,3p6,3d9 (or [Ar]3d9); as the electronic configuration of the neutral copper is [Ar]3d10,4s1, which is unusual and differs from most transition metal ions.

I would recommend drawing both molecules to identify the key functional groups and relative sizes of the two molecules before attempting to write an answer. Answer: Ethanol molecules have hydrogen bonding...

This question is taken from the 2018 A-Level paper which I sat last year and achieved 59/60.
English at A-Level is challenging because it requires an acute understanding of the Literature but also ...

Lear’s kingdom could be considered to a tyranny due to his ignorance about the suffering of those at the bottom of feudal hierarchical order, such as servants and “Bedlam beggars”. His contempt for those ...