Answer:
The activation energy
Explanation:
The activation energy is the energy hump that lies between reactants and products. It is the energy barrier that reactants must cross before they are converted into products.
Based on the collision theory, only particles that possess the activation energy are able to collide in such a way that leads to reaction.
Collision of particles having an energy content less than the activation energy of the reaction merely leads to elastic collision between such particles.
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The answer to this is Answer choice C: CaCl2
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No of moles = given mass ÷ molecular mass
n = 55.98 ÷ (12+19×2+35.5×2)
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