Top answers

Chemistry
A Level

What is the rate-determining step?

The rate-determining step is simply the slowest step in a reaction mechanism of a multi-step reaction. 

Most reactions do not happen in one simple step. You may be familiar with overall r...

CK
2462 Views

How to formulate and balance a redox equation under acidic conditions

In a reaction between  MnO4- and Fe2+ we are told MnO4- goes to Mn2+ and Fe2+ goes to Fe3+. We then need to derive t...

KD
Answered by Kiera D. Chemistry tutor
2906 Views

Why do ionisation energies increase across a period?

It's experimentally observed that ionisation energies have a general increase as one moves across the period: the first ionisation energy of lithium is ~500 kJ mol‑1, whereas that of n...

TD
Answered by Tom D. Chemistry tutor
10143 Views

What's the difference between Aliphatic and Aromatic Molecules?

Aromatic compounds contain a ring-structre e.g. Benzene whereas Aliphatic molecules have a straight chain structure e.g. Butane.

RW
Answered by Ruth W. Chemistry tutor
6311 Views

Explain why fluorine is more reactive than chlorine.

There are three things to consider every single time relative reactivity is unknown: atomic radius, shielding, and number of electrons.

The reactivity is the halogens ability ...

SA
Answered by Steven A. Chemistry tutor
61650 Views

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