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Chemistry

GCSE

what is an ion? and how are they made?

An ion is a charged particle.

They are made when an atom of neutral charge accepts or donates an electron from another atom or ion in order to bond with one another.

Answered by Shaun W. • Chemistry tutor

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An equilibrium between hydrogen and nitrogen to make ammonia. Explain what would happen to the amount of product if a) pressure was increased b) temperature was increased c) a catalyst was added. Energy change -92KJ/mol

This is quite a complicated sounding question but it is actually quite simple if you break it down! Start by writing a balanced equation for the reaction:

3H₂(g) + ...

Answered by Abigail C. • Chemistry tutor

9443 Views

How does the structure of diamond influence its properties?

Diamond has a giant structure of carbon atoms held together by strong covalent bonds: - Diamond is made up of many strong covalent bonds, so a lot of energy is needed to overcome them, so diamond has a h...

Answered by Annabel A. • Chemistry tutor

8109 Views

What is the volume of carbon dioxide released at room temperature and pressure when 6.2 g of copper carbonate reacts with excess dilute sulfuric acid?

Background Information

This is a neutralisation reaction between an acid (sulfuric acid) and a base (copper carbonate). When a carbonate reacts with an acid, the products...

Answered by Andreas O. • Chemistry tutor

9885 Views