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In chemistry there are two distinct theories to explain acid-base reactions; the Bronsted-Lowry and Lewis acid-base theories. The Bronsted-Lowry theory talks about removal or transfer of ...

This is a long answer (6 mark) question, which means you need to demonstrate your written communication of scientific ideas.

The first thing I would do in a question is identify the key words.

I don't think i've ever taught an A-level chemistry student that hasn't said this at some point. Because it is the part of chemsitry (in my opinion) that seems the most daunting. I generally wait until to...

The first thing to consider is the properties of sulfur dioxide. Sulfur dioxide is a simple molecule. It contains only three atoms which means it is small, and very strong covalent bonds connect these. Re...

The standard electrode potential is the electromotive force of a half-cell compared to that of a hydrogen half-cell under standard conditions. Standard conditions: Temperature=298K, Pressure=100kPa; all s...