Which of the following statements are correct aboutcontrolling chemical reaction

Question

Which of the following statements are correct aboutcontrolling chemical reactions ?
a) At low temperatures, an exothermic reaction usually favors theformation of products. b) At high temperatures, an decrease in entropy favors theformation of products. c) Reactions occur more rapidly at high temperatures that atlow temperatures. d) When a solid material is used as a reactant, the reactonwill prooceed faster when the solid particles are made as small aspossible. e) Catalysts are rarely used in large industrial chemicalprocesses. MORE THAN 1 MAYBE CORRECT Which of the following statements are correct aboutcontrolling chemical reactions ?
a) At low temperatures, an exothermic reaction usually favors theformation of products. b) At high temperatures, an decrease in entropy favors theformation of products. c) Reactions occur more rapidly at high temperatures that atlow temperatures. d) When a solid material is used as a reactant, the reactonwill prooceed faster when the solid particles are made as small aspossible. e) Catalysts are rarely used in large industrial chemicalprocesses. MORE THAN 1 MAYBE CORRECT

Explanation / Answer

The correct answers are: (a) At low temperatures, anexothermic reaction usually favors the formation of products.
                                       (c)Reactions occur more rapidly at high temperatures that at lowtemperatures.                                       (d)When a solid material is used as a reactant, the reacton willprooceed faster when the solid                                             particles are made as small as possible.

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