關於A.N2g的百科

• 根據能量變化示意圖，下列熱化學方程式正確的是(　　)A．N2(g)＋3H2(g)===2NH3(g)ΔH＝－(...

• 問題詳情：根據能量變化示意圖，下列熱化學方程式正確的是()A．N2(g)＋3H2(g)===2NH3(g)ΔH＝－(b－a)kJ·mol－1B．N2(g)＋3H2(g)===2NH3(g)ΔH＝－(a－b)kJ·mol－1C．2NH3(l)===N2(g)＋3H2(g)ΔH＝2(a＋b－c)kJ·mol－1D．2NH3(l)===N2(g)＋3H2(g)ΔH＝2(b＋c－a)kJ·mol－1【回答】解析：選D由圖可得N2(g)＋H2(g)===NH3(g)ΔH＝－(...
• 2020-01-1230768

• 化學反應N2＋3H2===2NH3的能量變化如圖所示，該反應的熱化學方程式是( )A．N2(g)＋3H2(g...

• 問題詳情：化學反應N2＋3H2===2NH3的能量變化如圖所示，該反應的熱化學方程式是()A．N2(g)＋3H2(g)===2NH3(l)ΔH＝2(a－b－c)kJ/molB．N2(g)＋3H2(g)===2NH3(g)ΔH＝2(b－a)kJ/molC．N2(g)＋H2(g)===NH3(l)ΔH＝(b＋c－a)kJ/molD．N2(g)＋H2(g)===NH3(g)ΔH＝(a＋b)kJ/mol【回答】知識點：化學的反應中的物質變化和能...
• 2023-02-1511951

• 下列反應中符合右邊圖象的是A．N2(g)＋3H2(g)2NH3(g)　ΔH＜0B．2SO3(g)2SO2(g)...

• 問題詳情：下列反應中符合右邊圖象的是A．N2(g)＋3H2(g)2NH3(g)ΔH＜0B．2SO3(g)2SO2(g)＋O2(g)ΔH＞0C．4NH3(g)＋5O2(g)4NO(g)＋6H2O(g)ΔH＜0D．H2(g)＋CO(g)C(s)＋H2O(g)ΔH＞0【回答】D知識點：化學平衡單元測試題型：選擇題...
• 2022-08-189153