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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·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
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