UC知道C2H6O乙醇燃烧时的化学方程式
来源：百度知道 编辑：UC知道 时间：2024/06/20 00:01:35
一共有3个化学方程式：
C2H60 + 02 - CO2 + H2O
C6H12O6 + O2 - CO2 + H2O + heat
CO2 + H2O + light - C6H12O6 + O2
这几个有什么区别？哪个才是真正的乙醇燃烧时的化学方程式（在以乙醇
为燃烧材料，发动汽车的情况下）？
我在看国外的网站上看到的。。
原文：During ethanol fermentation, glucose is decomposed into ethanol and carbon dioxide.
C6H12O6 → 2C2H6O + 2CO2
During combustion ethanol reacts with oxygen to produce carbon dioxide, water, and heat: (other air pollutants are also produced when ethanol is burned in the atmosphere rather than in pure oxygen)
C2H6O + 3O2 → 2CO2 + 3H2O
Together, they add up to:
C6H12O6 + 6O2 → 6CO2 + 6H2O + heat
This is the reverse of the photosynthesis reaction, which shows that the three reactions completely cancel each other out, only converting light into heat without leaving any byproducts:
6CO2 + 6H2O + light → C6H12O6 + 6O2
C2H60 + 02 - CO2 + H2O
C6H12O6 + O2 - CO2 + H2O + heat
CO2 + H2O + light - C6H12O6 + O2
这几个有什么区别？哪个才是真正的乙醇燃烧时的化学方程式（在以乙醇
为燃烧材料，发动汽车的情况下）？
我在看国外的网站上看到的。。
原文：During ethanol fermentation, glucose is decomposed into ethanol and carbon dioxide.
C6H12O6 → 2C2H6O + 2CO2
During combustion ethanol reacts with oxygen to produce carbon dioxide, water, and heat: (other air pollutants are also produced when ethanol is burned in the atmosphere rather than in pure oxygen)
C2H6O + 3O2 → 2CO2 + 3H2O
Together, they add up to:
C6H12O6 + 6O2 → 6CO2 + 6H2O + heat
This is the reverse of the photosynthesis reaction, which shows that the three reactions completely cancel each other out, only converting light into heat without leaving any byproducts:
6CO2 + 6H2O + light → C6H12O6 + 6O2
C6H12O6 → 2C2H6O + 2CO2是葡萄糖在无氧的条件下发酵的化学方程式。
C2H6O + 3O2 → 2CO2 + 3H2O 是乙醇燃烧的化学方程式。
C6H12O6 + 6O2 → 6CO2 + 6H2O + heat 是葡萄糖在有氧气参与的情况下氧化分解的化学方程式。
6CO2 + 6H2O + light → C6H12O6 + 6O2是绿色植物进行光合作用的反应式。
C2H6O + 3O2 → 2CO2 + 3H2O + heat
C2H60 + 402 = 2CO2 + 3H2O 放出热量
C2H60 + 402 = 2CO2 + 3H2O
化学方程式不会包括heat ,light等元素
如果加上HEAT,应该是物理化学方程式