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Concentration of HCl, Mass of marble chips (use excess HCl).
It is a giant covalent structure.
Electrons are arranged in different shells (sometimes described as an energy levels) around the nucleus with the innermost shell being filled first and then working outwards. The first shell can hold a ma...
In chemistry we often talk about how 'weak' or 'strong' bonds are. The stronger the bonds are between two atoms, the more (kinetic) energy is required to break them apart. This means that more heat is nee...
This question can be split up into two parts, and uses two key equations: It's always a good idea to look at what information we have been given already, and work out what we can do with it!...
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