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A full electron configuration shows the amount of electrons in each shell and subshell of an element or ion. Shells (also called energy levels) progress from 1 to 4, with 1 being the closest to the centre...
For a problem such as this, it is important to break down the question into the individual aspects and use some principles of chemistry that we have learnt previously to tackle the problem one step at a t...
Formation of 1 mole of water from neutralisation under standard conditions (OCR A)
First consider what a buffer is and what a buffer can be made from. A buffer is a solution resisting change in pH formed from a weak acid and its salt (a conjugate acid base pair), or from any weak acid a...
Significantly negative. A gas is turning into a solid thus there is less of a tendency towards randomness.
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