問題詳情
5. What is a catalyst? Explain how a catalyst changes the rate of a chemical reaction? What effect does it have on the activation energy of a reaction?
參考答案
答案：D
難度：非常簡單0.941935
統計：A(0),B(2),C(2),D(146),E(2)
用户評論
【用戶】JK
【年級】小三上
【評論內容】父子有親，夫婦有別，君臣有義，長幼有序，朋友有信