The half-life for the reaction at 550 c is 813 seconds how

The decomposition of phosphine, PH3, follows first-order kinetics.

4 PH3(g) => P4(g) + 6 H2(g)

The half-life for the reaction at 550 C is 81.3 seconds. How long does it take for 78.5% of a phosphine sample to decompose?

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The half-life for the reaction at 550 c is 813 seconds how : the decomposition of phosphine ph3 follows first-order kinetics.4 ph3g gt p4g 6 h2gthe half-life for the reaction at

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