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Many metallic catalysts, particularly the precious-metal
Chapter , Problem 14.81(choose chapter or problem)
Many metallic catalysts, particularly the precious-metal ones, are often deposited as very thin films on a substance of high surface area per unit mass, such as alumina 1Al2O32 or silica 1SiO22. (a) Why is this an effective way of utilizing the catalyst material compared to having powdered metals? (b) How does the surface area affect the rate of reaction?
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QUESTION:
Many metallic catalysts, particularly the precious-metal ones, are often deposited as very thin films on a substance of high surface area per unit mass, such as alumina 1Al2O32 or silica 1SiO22. (a) Why is this an effective way of utilizing the catalyst material compared to having powdered metals? (b) How does the surface area affect the rate of reaction?
ANSWER:Problem 14.81Many metallic catalysts, particularly the precious-metal ones, are often deposited as very thinfilms on a substance of high surface area per unit mass, such as alumina (Al2O3) or silica(SiO2). (a) Why is this an effective way of utilizing the catalyst material compared to havingpowdered metals (b) How does the surface area affect the rate of reaction Step-by-step solution Step 1 of 3Metallic catalyst - Precious metal ones are regularly kept as extremely meager films on asubstance of larger region area per unit mass. This is a successful method for using the impetusmaterial as utilization of artificially stable backings makes it conceivable to get exceptionallylarger region per unit mass.