Chemistry, 25.01.2020 00:31 andybiersack154

In the equation 2 h2 + o2 -> 2h2o, h2, o2, and h2o are all trace elements. only h2o is a compound. only h2 and o2 are compounds. h2, o2, and h2o are all elements. h2, o2, and h2o are all compounds.

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In the equation 2 h2 + o2 -> 2h2o, h2, o2, and h2o are all trace elements. only h2o is a compoun...