Factors Affecting the Rates of Chemical Reactions. Which of the following factor

Question

Factors Affecting the Rates of Chemical Reactions. Which of the following factors affecting the rate of chemical reactions accounts for the following chemical observations? Write the proper term in the column on the right: nature of reactants; catalyst; biological catalyst; inhibitor; reactant concentration, temperature/state of subdivision of reactants. Enzymes accelerate certain biochemical reactions, but are not themselves consumed. Rubber tires deteriorate more rapidly in smog laden areas than in urban areas. Meat spoils more rapidly when it is not refrigerated. Gold and silver are used for jewelry, but iron and sodium (also shiny lustrous metals) are not. Aquatic life grows more rapidly near the cooling water outfall from a power plant.

Explanation / Answer

1. Bological catalyst. A catalyst only helps to speed up a reaction, but it does not affect the reactants nor the products. In this case enzymes belongs to the organic and biological parts, so it's a biological catalyst.

2. state of subdivision of reactants. This is because, a reagent or material can have a better solubility or movility in this case, depending the medium or state of the reactant. In this case, the ruber goes better in another medium than in other, this has to do with this factor.

3. Temperature. In this case, the more or higher the temperature, the speed of reaction goes higher.

4. nature of reactants. In this case gold and silver are both metals, like sodium and iron but iron and sodium because of their properties cannot be used as jewelry, and gold and silver do, cause they have another properties.

5. I'm not sure but I think in this case is inhibitor. I'm not sure in this part but the other 4 indeed.

Hope this helps

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