C5H5N + O2 -> CO + H2O + NO2
Balance H:
2 C5H5N + O2 -> CO + 5 H2O + NO2
Balance N:
2 C5H5N + O2 -> CO + 5 H2O + 2 NO2
Balance C:
2 C5H5N + O2 -> 10 CO + 5 H2O + 2 NO2
Balance O:
2 C5H5N + 29/2 O2 -> 10 CO + 5 H2O + 2 NO2
Multiply all by 2 to get whole number
4 C5H5N + 29 O2 -> 20 CO + 10 H2O + 4 NO2
Answer:
4 C5H5N + 29 O2 -> 20 CO + 10 H2O + 4 NO2
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