Question

what happens when oxygen and hydrogen are combined chemically?

Answer 1

Answer:

When molecular hydrogen (H2) and oxygen (O2) are combined and allowed to react together, energy is released and the molecules of hydrogen and oxygen can combine to form either water or hydrogen peroxide. These two processes are represented by the two chemical equations shown at right.

Step-by-step explanation:

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Answer 2

Answer:

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Step-by-step explanation:

When molecular hydrogen (H2) and oxygen (O2) are combined and allowed to react together, energy is released and the molecules of hydrogen and oxygen can combine to form either water or hydrogen peroxide.

• These two processes are represented by the two chemical equations shown at right.