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Chemistry
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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
2346 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
2779 Views

What is the difference between Ionic and Covalent bonding

Covalent bonds are formed when two atoms share one or more pairs of electrons. These atoms are non-metals, such as Carbon, Oxygen and Hydrogen.

Ionic bonds are formed when an atom gives o...

TN
Answered by Theo N. Chemistry tutor
2827 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
9935 Views

What four factors influence the rate of reaction?

Temperature, pressure, surface area and concentration all affect the rate of a chemical reaction. 

Temperature makes the particles more energetic and increases the frequency of collisions...

MW
Answered by Michael W. Chemistry tutor
7599 Views

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