ILL GIVE BRAINLEIST 1. Why is a hydrogen molecule (H2) more stable than two individual hydrogen atoms? 2.Why cant a third hydrogen atom join the H2 molecule to make H3

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Atrain travels 74 kilometers in 3 hours, and then 81 kilometers in 5 hours. what is its average speed?

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Sodium nitrite (nano2) reacted with 2−iodooctane to give a mixture of two constitutionally isomeric compounds of molecular formula c8h17no2 in a combined yield of 88%. draw reasonable structures for these two isomers. click the "draw structure" button to launch the drawing utility. place the two compounds in the appropriate boxes below.