題目列表(包括答案和解析)
已知:(1)Zn(s)+ 1/2O2(g)==ZnO(s) ΔH = -348.3kJ/mol
(2)2Ag(s) +1/2 O2(g)== Ag2O(s) ΔH = -31.0kJ/mol
則Zn(s)+ Ag2O(s) == ZnO(s) + 2Ag(s) 的ΔH等于
A.-317.3kJ/mol B.-379.3kJ/mol C.-332.8 kJ/mol D.+317.3 kJ/mol
已知:(1)Zn(s)+ 1/2O2(g)==ZnO(s) ΔH = -348.3kJ/mol
(2)2Ag(s) +1/2 O2(g)== Ag2O(s) ΔH = -31.0kJ/mol
則Zn(s)+ Ag2O(s) == ZnO(s) + 2Ag(s) 的ΔH等于
A.-317.3kJ/mol B.-379.3kJ/mol C.-332.8 kJ/mol D.+317.3 kJ/mol
已知:(1)Zn(s)+1/2O2(g)==ZnO(s),ΔH = -348.3kJ/mol
(2)2Ag(s)+1/2 O2(g)== Ag2O(s),ΔH = -31.0kJ/mol
則Zn(s)+ Ag2O(s) == ZnO(s) + 2Ag(s) 的ΔH等于
A.-317.3kJ/mol B.-379.3kJ/mol C.-332.8 kJ/mol D.317.3 kJ/mol
已知:(1)Zn(s)+1/2O2(g)==ZnO(s),ΔH = -348.3kJ/mol
(2)2Ag(s)+1/2 O2(g)== Ag2O(s),ΔH = -31.0kJ/mol
則Zn(s)+ Ag2O(s) == ZnO(s) + 2Ag(s) 的ΔH等于( 。
A.-317.3kJ/mol B.-379.3kJ/mol C.-332.8 kJ/mol D.317.3 kJ/mol
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