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MgCO₃ +2HCl --> MgCl₂ + H₂O +CO₂

For this kind of question, I would always try to convert what I can into moles because tha...

A catalyst provides an alternative pathway for a reaction to take place and therefore helping the reaction to take place at a lower activation energy. In an equilibrium process, a catalyst has no effect o...

Covalent bonds are a type of chemical bond formed by a shared pair of electrons between atoms. 

Covalent bonds tend to occur between non-metal type atoms ...

Optical isomerism is a paritcular type of steroeisomerism (stereoisomers are molecule that are made up of atoms joined up in the same order so have the same formula but are arranged di...