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5 May, 19:42

What is required for a chemical reaction to occur? (1) standard temperature and pressure (2) a catalyst added to the reaction system (3) effective collisions between reactant particles (4) an equal number of moles of reactants and products

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  1. 5 May, 21:11
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    I think the correct answer is option 3. A requirement for a chemical reaction to happen is an effective collisions between the reactant particles because it is where the electrons in the reactants interact with each other and form new substances.
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