semaj30747 semaj30747

30-04-2024
Physics

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Which equation is balanced?
$4 H _2+ O _2 \rightarrow H _2 O + O$
$H _2+ O _2 \rightarrow H _2 O$
$H _2+ O _2 \rightarrow H _2 O + O _2$
$2 H _2+ O _2 \rightarrow 2 H _2 O$

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