What factor in reaction rate is related to the amount of reactants?

What factor in reaction rate is related to the amount of reactants?
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This is the concentration of reactants.
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Description : 25. In a reaction, A + B  Product, rate is doubled when the concentration of B is doubled, and rate increases by a factor of 8 when the concentrations of both the reactants (A and B) are doubled, rate law for the reaction can be ... Rate = k[A] [B]2 (3) Rate = k[A]2 [B]2 (4) Rate = k[A] [B]

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The reaction in which product mole- cules react and give back the original reactants is called?

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The reaction in which product mole- cules react and give back the original reactants is called?

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In a reaction, the threshold energy is equal to (where, A = activation energy N = normal energy of reactants) (A) A (B) N (C) A + N (D) A - N

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Last Answer : (D) All (A), (B) and (C)

A catalyst (A) Initiates a reaction (B) Lowers the activation energy of reacting molecules (C) Is capable of reacting with any one of the reactants (D) Cannot be recovered chemically unchanged at the end of a chemical reaction

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