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Factors affecting speed of reaction does not include

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in Bioprocess Engineering by (80.7k points)
Factors affecting speed of reaction does not include

(a) Concentration

(b) Particle size

(c) Change in mass

(d) Pressure

The question was asked during an online interview.

This interesting question is from Concentration Gradients and Reaction Rates in Solid Catalysts in division Heterogenous Reactions of Bioprocess Engineering

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Best answer
The correct option is (c) Change in mass

The explanation: A catalyst is a species that speeds up a chemical reaction without being chemically changed upon completion of the reaction. In other words, the mass of a catalyst is the same before and after a reaction occurs.

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