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Multiple ChoiceWhich of the following statements is true regarding the energy diagram provided? i. The reaction is endothermic.ii. Activation energy would be less than + 10 kJ after a catalyst is added.iii. The reaction absorbs energy.iv. Activation energy would be greater than + 10 kJ after a catalyst is added.1254views12rank
Open QuestionHow are the following aspects of a reaction affected by the addition of a catalyst?424views
Open QuestionA substance that influences the reaction but does not participate in the reaction is a305views
Open QuestionEnzymes are catalysts because they lower the ______________ of a chemical reaction.278views1rank
Open QuestionA(n) ___ is a substance that speeds up a chemical reaction without being used up in the reaction.223views
Open QuestionA ___ is a substance that speeds up a chemical reaction without being used up in the reaction.236views
Open QuestionWhat are the roles of hydrogen peroxide oxygen hydrogen and catalase in the following reaction?220views
Open QuestionA substance that accelerates any chemical reaction but is not consumed in the reaction is a _____.233views
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