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已知:N2(g)+3H2(g)2NH3(g);△H.=-Q.kJ·mol-1(Q.>0)。现有甲乙两个相同的密闭容器,向甲容器中充入1mol N2(g)和3mol H2(g),在一定条件下达到平衡时放...

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N2(g)+3H2(g) = 2NH3(g) ;△H.= 2(b—a) kJ/mol   N2(g)+3H2(g) = 2NH3(l);△H.= 2(a—b—c) kJ/mol   N2(g)+H2(g) = NH3(l) ;△H.= (b+c—a) kJ/mol   N2(g)+H2(g) =NH3(g) ;△H.= (a+b) kJ/mol  
-726.5 KJ/mol   -1087.5KJ/mol   -1268 KJ/mol   +1994.5 KJ/mol  
反应②中的能量变化如图所示,则ΔH2=E1-E3   H2的燃烧热为241.8 kJ·mol-1   由反应②知在温度一定的条件下,在一恒容密闭容器中通入1 mol N2和3 mol H2,反应后放出的热量为Q1 kJ,若通入2 mol N2和6 mol H2充分反应后放出的热量为Q2 kJ,则184.8>Q2>2Q1   氨的催化氧化反应为4NH3(g)+5O2(g)=4NO(g)+6H2O(g) ΔH.=+906 kJ·mol-1  
N2(g)+3H2(g) 2NH3(g)ΔH.=-Q.1 kJ/mol(Q.1>0)   H2(g)+CO(g)   (s)+H2O(g)ΔH.=+Q.4 kJ/mol(Q.4>0) C.4NH3(g)+5O2(g) 4NO(g)+6H2O(g)ΔH.=-Q.3 kJ/mol(Q.3>0)   2SO3(g)2SO2(g)+O2(g)ΔH.=+Q.2 kJ/mol(Q.2>0)  
N2(g)+3H2(g)⇌2NH3(l)△H.=2(a﹣b﹣c)kJ/mol   N2(g)+3H2(g)⇌2NH3(g)△H.=2(b﹣a)kJ/mol   0.5N2(g)+1.5H2(g)⇌NH3(l)△H.=(b+c﹣a)kJ/mol   0.5N2(g)+1.5H2(g)⇌NH3(g)△H.=(a+b)kJ/mol  
N2(g) +3H2(g) 2NH3(g) △H=―Q1kJ・mol―1(Q1>0)  2SO3(g) 2SO2(g)+O2(g) △H=+Q2kJ・mol―1(Q2>0)  4NH3(g)+5O2(g) 4NO(g)+6H2O(g) △H=―Q3kJ・mol―1(Q3>0)  H2(g) +CO(g) C.(s)+H2O(g) △H=+Q4kJ・mol―1(Q4>0)  
N2(g)+3H2(g)2NH3(g) ΔH.=-Q.1 kJ·mol-1(Q.1>0)   2SO3(g)2SO2(g)+O2(g) ΔH.=+Q.2 kJ·mol-1(Q.2>0)   4NH3(g)+5O2(g)4NO(g)+6H2O(g) ΔH.=-Q.3 kJ·mol-1(Q.3>0)   H2(g)+CO(g)C.(s)+H2O(g) ΔH.=+Q.4 kJ·mol-1(Q.4>0)  
N2(g)+3H2(g)2NH3(l) ΔH.=-Q kJ/mol,则Q.>92.4   在密闭容器中加入1 mol N2和3 mol H2充分反应放热92.4 kJ   增大压强,平衡向右移动,平衡常数增大   若一定条件下反应达到平衡,N2的转化率为20%,则H2的转化率一定为60%  
反应②中的能量变化如图所示,则ΔH.2=E.1-E.3   H2的燃烧热为241.8 kJ·mol-1   氨的催化氧化反应为4NH3(g)+5O2(g)===4NO(g)+6H2O(g) ΔH.=+906 kJ·mol-1   由反应②知在温度一定的条件下,在一恒容密闭容器中通入1 mol N2和3 mol H2,反应后放出的热量为Q.1 kJ,若通入2 mol N2和6 mol H2反应后放出的热量为Q.2 kJ,则184.8>Q.2>2Q.1  
N2(g)+3H2(g)2NH3(g)  ΔH.=-Q1 kJ·mol-1(Q.1>0)   2SO3(g)2SO2(g)+O2(g)  ΔH.=+Q.2kJ·mol-1(Q.2>0)   4NH3(g)+5O2(g)4NO(g)+6H2O(g) ΔH.=-Q.3kJ·mol-1(Q.3>0)   H2(g)+CO(g)C.(s)+H2O(g) ΔH.=+Q.4kJ·mol-1(Q.4>0)  
25℃ 101kPa时,CH4(g)+2O2(g)=CO2(g) +2H2O(g) △H=-Q kJ/mol, 则甲烷的燃烧热为Q kJ/mol   CaCO3(s)=CaO(s)+CO2(g) 室温下不能自发进行,说明该反应的 ΔH<0   反应N2(g)+3H2(g)2NH3(g)ΔH<0达到平衡后,升高温度,反 应速率v(H2)和H2的平衡转化率均增大   已知氯气、溴蒸气分别跟氢气反应的热化学方程式如下(Q1、Q2的值 均大于零): H2(g) +Cl2(g)=2HCl(g) △H1=—Q1 kJ/mol H2(g) +Br2(g)=2HBr(g) △H2=—Q2 kJ/mol 则△H1<△H2  
N2(g)+3H2(g)⇌2NH3(l)△H=2(a﹣b﹣c)kJ/mol   N2(g)+3H2(g)⇌2NH3(g)△H=2(b﹣a)kJ/mol   0.5N2(g)+1.5H2(g)⇌NH3(l)△H=(b+c﹣a)kJ/mol   0.5N2(g)+1.5H2(g)⇌NH3(g)△H=(a+b)kJ/mol   
N2(g)+3H2(g) 2NH3(g)ΔH.=-Q.1 kJ/mol(Q.1>0)   H2(g)+CO(g)   (s)+H2O(g)ΔH.=+Q.4 kJ/mol(Q.4>0) C.4NH3(g)+5O2(g) 4NO(g)+6H2O(g)ΔH.=-Q.3 kJ/mol(Q.3>0)   2SO3(g)2SO2(g)+O2(g)ΔH.=+Q.2 kJ/mol(Q.2>0)  
2ΔH1 + 2ΔH2 - 2ΔH3    ΔH1 + ΔH2 - ΔH3    3ΔH1 + 2ΔH2 + 2ΔH3    3ΔH1 + 2ΔH2 - 2ΔH3  

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