Balance the following equations:
1. __H2 + __N2 → __NH3

Explanation:

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Here , Multiply H₂ by 3 on left hand side and H₃ by 2 on right hand side to equalitize hydrogen atoms.

Here , We have 6 hydrogen atoms in both sides. How about Nitrogen atoms? We have 2 Nitrogen atoms in both sides. And yippie !! We got the balanced equation where both the hydrogen and nitrogen atoms are equal.

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when [oh-] is 10-5  m, and [h3o+] is 10-9  m, the poh is 5 and ph is 9. again in both cases the sum of ph and poh is 14. however, the hydrogen ion concentration is not always going to be equal to exactly 1 x 10 raised to a negative number. for example, we skipped over the value of 2.0 x 10-7.