balance...;; NH3 + O2------------- NO + H2O HNO3-------------H2O +NO2+O2 H2S+SO2---------S+H2O
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i have exam tomorrow , I can't focus although I know how to balance.
I know the last one and the 1st one
2H2S+SO2 ----> 3S+2H2O ,
4NH3+5O2 ----> 4NO+6H2O
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