Question

写出下列化合反应的化学方程式1,木炭在氧气中燃烧2,硫在氧气中燃烧3,镁在空气中燃烧4,铁在氧气中燃烧5,磷在氧气中燃烧

Answer 1

1.C + O2 ==CO2

2.S + O2 == SO2

3.2Mg + O2 == 2MgO

4.4Fe + 3O == Fe4O3

5.4P + 5O2 == 2P2O5

6.2Cu + O2 == 2CuO

7.2H2 + O2 == 2H2O

8.2CO + O2 == 2CO2

9.2C + O2 == 2CO

10.C + CO2 == 2CO

11.CO2 + H2O == H2CO3

12.Na2O + H2O == 2NaOH

13.CaO + H20 == Ca(OH)2

14.SO3 + H2O == H2SO4

条件除6,10外都是点燃 6是加热,10是高温