Make an equation of chemical reactions with which you can carry out the following transformations KMnO4 – O2- H2O- O2- CO2

2KMnO4 = K2MnO4 + MnO2 + O2.
O2 + 2H2 = 2H2O.
2H2O =2H2 + O2.
O2 + C = CO2.

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