Ответы на вопрос:
Li, na, k с h₂o, nh₃, h₂, n₂, s, o₂ 2li +2h₂o=2lioh + h₂2k +2h₂o=2koh + h₂ 2na +2h₂o=2naoh + h₂ li +o₂=li₂ok +o₂=k₂o na +o₂=na₂o 2li +s=li₂s2k +s=k₂s 2na +s=na₂s h₂o + nh₃ = nh₄oh 4nh₃ + 3o₂= 2n₂ + 6h₂o 3h₂ + n₂= 2nh₃ h₂+ s = h₂s 2h₂s + o₂= 2s + 2h₂o 2h₂s + 3o₂ = 2so₂ + 2h₂o 2h₂+ o₂= 2h₂o 2n+ o₂= 2no 2no + o₂= 2no₂ s + o₂ = so₂ 2so₂ + o₂=2so₃
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