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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.1136views9rank
Open QuestionHow are the following aspects of a reaction affected by the addition of a catalyst?338views
Open QuestionA substance that influences the reaction but does not participate in the reaction is a222views
Open QuestionEnzymes are catalysts because they lower the ______________ of a chemical reaction.181views1rank
Open QuestionA(n) ___ is a substance that speeds up a chemical reaction without being used up in the reaction.164views
Open QuestionA ___ is a substance that speeds up a chemical reaction without being used up in the reaction.160views
Open QuestionWhat are the roles of hydrogen peroxide oxygen hydrogen and catalase in the following reaction?152views
Open QuestionA substance that accelerates any chemical reaction but is not consumed in the reaction is a _____.157views
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