Question

What are the 3 things that should be remembered while writing a chemical reaction?​

Answer 1

Answer:

They are as follows:

• Complete information about reactants and products, e.g. number of molecules, mass, etc.
• Physical states of substances.
• Necessary conditions for chemical equation, e.g temperature, pressure, catalyst, etc.
• Equation also shows if the reaction is exothermic or endothermic.

Explanation:

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