Phosphine, PH3PH3, is a colorless, toxic gas that is used in the production of semiconductors as well as in the farming industry. When heated, phosphine decomposes into phosphorus and hydrogen gases.   4PH3(g)⟶P4(g)+6H2(g)4⁢PH3⁢(g)⟶P4⁡(g)+6⁢H2⁡(g)   This decomposition is first order with respect to phosphine, and has a half‑life of 35.0 s at 953 K. Calculate the partial pressure of hydrogen gas that is present after 74.5 s74.5 s if

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Q: 1. The first order rate constant for the decomposition of N205, according to the reaction: 2 N2O5(g)…

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Q: The decomposition of dinitrogen pentoxide is first-order N₂O5(8) → 2 NO₂(g) + O₂(g) If we start with…

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Q: half-life

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