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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...

In order to understand how to calculate the carrying capacity of humans, we first need to understand which factors limit growth. These include population, natural resources, agricultural production, and i...

The main point of writing an exam essay is to always come back to the question - start your introduction by answering the question and refer to it in every paragraph. You should aim for three main points ...