In order for a chemical reaction to move from a source system to a product system, it is believed that the reaction must pass through the most energetic state called the activated state (active system, where an activated complex is formed), and the energy required to create this activated system starting from the source system of the reaction is called activation energy. The Arrhenius equation is used to determine the value of this activation energy from experiments. k = A exp( -Ea / RT ) [Toda Genjiro and Nakahara Katsunori] Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
一つの化学反応が原系から生成系へ移るためには、途中に活性化状態(活性系。ここで活性錯合体が生成する)とよばれるもっともエネルギーの高い状態を経なければならないと考え、反応の原系から出発してこの活性系をつくるために必要なエネルギーを活性化エネルギーという。実験からこの活性化エネルギーの値を求めるのにはアレニウスの式を用いる。 k=Aexp(-Ea/RT) [戸田源治郎・中原勝儼] 出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例 |
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