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已知H2(g)、C.2H4(g)和C.2H5OH(1)的燃烧热分别是-285.8kJ•mlo-1、-1411.0kJ•mlo-1和-1366.8kJ,则由C.2H4(g)和H2O(I)反应生成C.2H...

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H2(g)的燃烧热为571.6 kJ·mol-1   H2SO4(aq)+Ba(OH)2(aq)=== BaSO4(s)+2H2O(l) ΔH.=-114.6kJ·mol-1   同质量的H2(g)和CH3OH (l)完全燃烧,H2(g)放出的热量多   3H2(g)+CO2(g)===CH3OH(l)+H2O(l) ΔH.=+135.9 kJ·mol-1  
+44.2 kJ·mol-1     -44.2 kJ·mol-1   -330 kJ·mol-1  +330 kJ·mol-1  
H2(g)的燃烧热为571.6 kJ·mol -1   同质量的H2(g)和CH3OH(l)完全燃烧,H2(g)放出的热量多   H2SO4(aq)+Ba(OH)2(aq)=BaSO4(s)+H2O(l) ΔH.=-57.3 kJ·mol1   3H2(g)+CO2(g)=CH3OH(l)+H2O(l) ΔH.=+135.9 kJ·mol1  
-44.2 kJ·mol-1  +44.2 kJ·mol-1   -330 kJ·mol-1  +330 kJ·mol-1  
CH3OH(l)的燃烧热是|ΔH1/2|   CO的燃烧热是|ΔH2/2|   CH3OH(l)+O2(g)= CO(g) + 2H2O(l)ΔH. =ΔH1-ΔH2+4ΔH3   ΔH3>0  
H2(g)的燃烧热为-571.6kJ·mol-1   同质量的H2(g)和CH3OH(l)完全燃烧,H2(g)燃烧放出的热量多   H2SO4(aq)+Ba(OH)2(aq)=BaSO4(s)+H2O(l) ΔH.=-57.3kJ·mol-1   3H2(g)+CO2(g)=CH3OH(l)+H2O(l) ΔH.=+135.9kJ·mol-1  
H2(g)的燃烧热为571.6 kJ·mol-1   同质量的H2(g)和CH3OH(l)完全燃烧,H2(g)放出的热量多   1/2H2SO4(aq)+1/2Ba(OH)2(aq)=== 1/2BaSO4(s)+H2O(l) ΔH.=-57.3 kJ·mol-1   3H2(g)+CO2(g)=CH3OH(l)+H2O(l) ΔH.=+135.9 kJ·mol-1  
-44.2 kJ·mol-1   +44.2 kJ·mol-1   -330 kJ·mol-1  +330 kJ·mol-1  
-44.2 kJ·mol-1  +44.2 kJ·mol-1   -330 kJ·mol-1  +330 kJ·mol-1  
H2(g)的燃烧热为571.6 kJ·mol-1   同质量的H2(g)和CH3OH(l)完全燃烧,H2(g)放出的热量多   1/2H2SO4(aq)+1/2Ba(OH)2(aq)=1/2BaSO4(s)+H2O(l)ΔH=-57.3 kJ·mol-1   3H2(g)+CO2(g)=CH3OH(l)+H2O(l)ΔH=+135.9 kJ·mol-1  
-44.2 kJ·mol-1    +44.2 kJ·mol-1    -330 kJ·mol-1    +330 kJ·mol-1  
-44.2kJ·mol-1  +44.2kJ·mlo-1   -330kJ·mol-1  +330kJ·mlo-1  
-44.2 kJ·mol-1  +44.2 kJ·mol-1   -330 kJ·mol-1  +330 kJ·mol-1  
-44.2kJ/mol  +44.2kJ/mol  -330kJ/mol  +330kJ/mol  
-44.2kJ·mol-1         +44.2kJ·mlo-1      -330kJ·mol-1          +330kJ·mlo-1  
H2(g)的燃烧热为571.6 kJ·mol-1   同质量的H2(g)和CH3OH(l)完全燃烧,H2(g)放出的热量多   1/2H2SO4(aq)+1/2Ba(OH)2(aq)=1/2BaSO4(s)+H2O(l)ΔH.=-57.3 kJ·mol-1   3H2(g)+CO2(g)=CH3OH(l)+H2O(l) ΔH.=+135.9 kJ·mol-1  
-44.2kJ·mol-1   +44.2kJ·mlo-1     -330kJ·mol-1   +330kJ·mlo-1  
4a+4b+4c  2a-2b+6c  2a-2b+2c  2a-6b+2c  
H2(g)的燃烧热为571.6 kJ·mol-1   3H2(g)+CO2(g)=CH3OH(l)+H2O(l)  ΔH=+135.9 kJ·mol-1   1/2H2SO4(aq)+1/2Ba(OH)2(aq)==1/2BaSO4(s)+H2O(l)  ΔH.=-57.3 kJ·mol-1   同质量的H2(g)和CH3OH(l)完全燃烧,H2(g)放出的热量多  
-44.2kJ·mol-1  +44.2kJ·mol-1   -330kJ·mol-1  +330kJ·mol-1  

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