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For any change that occurs in a chemical system, the equilibrium of that system will shift in order to counteract the change being imposed on that system. For example, if the temperature is increased for ...

What are catalysts? They are substances that speed up the rate of reaction by providing a favourable pathway, of lower activation energy, for the reaction to proceed. A heterogeneous catalyst is one that ...

Positive and negative ions attract one another and bind together forming a new substance. This is called ionic bonding. It is usually between a positive metal ion which i...

This question is about understanding how reactions happen, what it means for something to react and the factors controlling reactions. Here it is important to know that for a reaction to happen particles ...

• Due to the high electronegativity of flourine hydrogen bonds can be formed between HF molecules. - Hydrogen bonds require more energy to break that London Forces. - The other haloge...