更新1:
B) Is the Enthaply of the products greater or less than that of the reactants? Explain C) what is the sign for delta H for the reverse reaction ?
the following reaction is exothermic. 2Na(s)+Cl2(g)=2NaCl(s) A) what is the sign of delta H for this reactantion?
回答 (1)
2016-06-22 6:28 am
✔ 最佳答案
For an exothermic reaction, the sign of ΔH is NEGATIVE.The negative value of an exothermic reaction shows that the total heat content of reactants is lower than that of product, and excess heat is given off.
收錄日期: 2021-04-18 15:09:09
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20160621222656AA3F1jI