已知：①Zn(s)＋1/2O2(g)＝ZnO(s) ΔH＝－348.3kJ·mol－1 ②2Ag(...
问题详情：已知：①Zn(s)＋1/2O2(g)＝ZnO(s) ΔH＝－348.3kJ·mol－1 ②2Ag(s)＋1/2O2(g)＝Ag2O(s) ΔH＝－31.0kJ·mol－1 则Zn与Ag2O反应生成ZnO和Ag的热化学方程式为A.Zn(s)＋Ag2O(s)＝ZnO(s)＋2Ag(s) ΔH＝＋317.3kJ·mol－1B.Zn...
已知：①Zn(s)＋O2(g)＝ZnO(s)ΔH＝－348.3kJ·mol－1 ②2Ag(s)＋O...
问题详情：已知：①Zn(s)＋O2(g)＝ZnO(s)ΔH＝－348.3kJ·mol－1 ②2Ag(s)＋O2(g)＝Ag2O(s)ΔH＝－31.0kJ·mol－1 则Zn与Ag2O反应生成ZnO和Ag的热化学方程式为A.2Zn(s)＋2Ag2O(s)===2ZnO(s)＋4Ag(s)ΔH＝－634.6kJ·mol－1B.Zn＋Ag2O==...
已知：①Zn(s)＋O2(g)＝ZnO(s)ΔH＝－348.3kJ·mol－1 ②2A...
问题详情：已知：①Zn(s)＋O2(g)＝ZnO(s)ΔH＝－348.3kJ·mol－1 ②2Ag(s)＋O2(g)＝Ag2O(s)ΔH＝－31.0kJ·mol－1 则Zn与Ag2O反应生成ZnO和Ag的热化学方程式为 A．Zn(s)＋Ag2O(s)===ZnO(s)＋2Ag(s)ΔH＝＋317.3kJ·...