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Chemistry
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What is electronegativity?

Simple definition: Electronegativity is the tendency of an atom to attract a bonding air of electrons to itself

Answered by Adam R. Chemistry tutor
2241 Views

What is the definition of Avogadro's constant and when should I use it?

Avogadro's constant is defined as the number of atoms/molecules in one mole of a substance. It's value is approximately 6.023 x 10^23.

It is often used in conjunction with the equa...

Answered by Ben K. Chemistry tutor
10611 Views

Explain what is meant by the term 'rate of reaction'?

The change in concentration of reactants or products, per unit of time. 

Answered by Laura M. Chemistry tutor
1933 Views

Describe how ethanol can be produced from ethene

Ethanol can be produced by hydrating ethene, through reacting it with steam under the influence of a catalyst e.g. phosphoric acid.

Answered by Amy A. Chemistry tutor
2846 Views

What is solvent leveling? How can we distinguish between two strongly acidic solutions? (This is a challenging question and is included for interest only)

Solvent levelling refers to the effect of the solvent on the properties of acids and bases. The apparent acidity of a solution is limited, or levelled, by the basicity of the solvent it is in. A very stro...

Answered by James C. Chemistry tutor
7238 Views

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