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[" ii) The decomposition of phosphine,PH...

[" ii) The decomposition of phosphine,PH "_(3)" proceeds according to following equation "],[4PH_(3)(g)rarr P_(4)(g)+6H_(2)(g)],[" It is found that the reaction follows the following rate equation."],[" Rate "=K[PH_(3)]],[" The half life of "pH_(3)" is "37.9S" at "20^(@)C" ."],[" a) What fraction of original sample of PH_3 "" remains behind after "1min" ? "],[" b) How much time is required for "3/4^(" th ")" of "PH_(3)" to decompose? "]

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The decomposition of phosphine, PH_3 proceeds according to the following equation: 4PH_3 (g) to P_4 (g) + 6H_2 (g) It is found that the reaction follows the following rate equation: Rate =k[PH_3] The half-life of PH_3 is 37.9s at 120^@ C. What fraction of the original sample of PH_3 remains behind after 1 minute?

The decomposition of phosphine, PH_3 proceeds according to the following equation: 4PH_3 (g) to P_4 (g) + 6H_2 (g) It is found that the reaction follows the following rate equation: Rate =k[PH_3] The half-life of PH_3 is 37.9s at 120^@ C. How much time is required for 3/4th of PH_3 to decompose?

The decomposition of phosphine, PH_3 , proceeds according to the following equation : 4PH_3 (g) rarr P_4 (g) + 6H_2 (g) It is found that the reaction follows the following rate equation : Rate = k[PH_3] . The half-life of PH_3 is 37.9 s at 120^@ C. How much time is required for 3/4th of PH_3 to decompose?