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The Kekulé model of benzene consists of a 6 membered ring with 3 double bonds. This would imply a hydrogenation enthalpy very similar to that of ethene, since double bonds react with hydrogen in a similar...

I have written "… " where I would imagine the student is replying. I have then provided prompts assuming that the student did not come up with the answer straight away. Integration can ...

The key word to note in this question is that the expansion is isothermal and that we have a closed system. This means that the expansion must happen at a constant temperature (isotherma...

The noble gases (group 0) are incredibly inert. Indeed if we are performing reactions that are sensitive to air we will often perform them under an atmosphere of Argon, the third noble gas. But why?We mus...

We are trying to solve 27^-2/3. Firstly, using the index rule a^xy= (a^x)^y, this can be rewritten as (27^1/3)^-2. Lets tackle the value inside ...