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第24页

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$ \mathrm{ 2C＋O_2\xlongequal[\ \ \ \ \ \ ]{点燃}2CO} $

$ \ \text {C+O}_2\xlongequal[\ \ \ \ \ \ ]{点燃}\ \text {CO}_2$

$ \ \text {2CO+O}_2\xlongequal[\ \ \ \ \ \ ]{点燃}2\ \text {CO}_2$

$ \ \text {C+CO}_2\xlongequal[\ \ \ \ \ \ ]{高温}2\ \text {CO}$

$ \ \text {CO}_2+\ \text {H}_2\ \text {O}\xlongequal[]{}\ \text {H}_2\ \text {CO}_3$

$ \ \text {H}_2\ \text {CO}_3\xlongequal[\ \ \ \ \ \ ]{△}\ \text {H}_2\ \text {O}+\ \text {CO}_2↑$

$ \ \text {CO}_2+\ \text {Ca(OH)}_2\xlongequal[\ \ \ \ \ \ ]{\ \ \ \ \ \ }\ \text {CaCO}_3↓+\ \text {H}_2\ \text {O}$

$ \ \text {CaCO}_3\xlongequal[\ \ \ \ \ \ ]{高温}\ \text {CaO+CO}_2↑$

$ \ \text {C}_6\ \text {H}_{12}\ \text {O}_6+6\ \text {O}_2\xlongequal[\ \ \ \ \ \ ]{酶}6\ \text {H}_2\ \text {O}+6\ \text {CO}_2$

$ \mathrm{ 6CO_2+6H_2O\xlongequal[光照]{叶绿体}C_6H_{12}O_6+6O_2} $