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Everyone, my name is ahmadani.
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In this question, he wants to complete the following reactions.
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The first reaction is reaction of n -o, which is nitrogen oxide with nitrogen dioxide.
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Both of them are gases.
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When the react to one -to -one to form a new nitroxide, which is di -nitrogen dioxide, this compound are liquid.
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The second question is the phosphine.
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When we eating phosphine, it decomposed to its phosphorus.
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The phosphorus must be b4, no monophosphorus.
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So we must return a to p4 and hydrogen...