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Chemistry
GCSE

Describe how a sample of copper chloride crystals could be made from copper carbonate and dilute hydrochloric acid.

To make crystals of copper chloride from copper carbonate andd dilute HCl, you will firstly need to add an excess of copper carbonate to the dilute HCl (keep adding until no more reacts). Next, take the s...

Answered by Sian J. Chemistry tutor
25019 Views

Calculate the amount of moles in 36 grams of carbon

We need to use the equation : Moles=Mass/MrSubstitute in value : moles= 36/12Therefore number of moles in 36 grams of carbon is 3.

Answered by Ramisha K. Chemistry tutor
13489 Views

Describe dynamic equilibrium with reference to a process you have been learning in class.

Dynamic equilibrium is when the forward and reverse reactions happen at the same time and rate so there is no overall net change. A reaction that can be used as an example is the Haber Process:

Answered by Hasham S. Chemistry tutor
1681 Views

Methane is a Hydrocarbon. Show the structural formula for Methane and Explain why it is a hydrocarbon?

show CH4 with C in the centre and 4 H atoms with bonds to it at 90o to each other.
A hydrocarbon is a molecule that contains only hydrogen and carbon atoms.

Answered by Stephen R. Chemistry tutor
2598 Views

What are Isotopes?

Atoms and elements are made of protons, neutrons and electrons. The nucleus is made of protons and neutrons, and the electrons surround the nucleus, as shown in the illustration below. The sum of the numb...

Answered by Jonathan P. Chemistry tutor
2430 Views

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