The thermal decomposition of phosphine (PH3) into phosphorus and molecular hydrogen is a first-order reaction: 4PH3(g) P4(g) + 6H₂(g) The half-life of the reaction is 31.9 s at 680 °C. Part: 0 / 2 Part 1 of 2 Calculate the first-order rate constant for the reaction. Round your answer to 3 significant digits. X S 00

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The thermal decomposition of phosphine (PH3) into phosphorus and molecular hydrogen is a first-order reaction:
4PH3(g) P4(g) + 6H₂(g)
The half-life of the reaction is 31.9 s at 680 °C.
Part: 0 / 2
Part 1 of 2
Calculate the first-order rate constant for the reaction. Round your answer to 3 significant digits.
x10
X
Ś
010
Transcribed Image Text:The thermal decomposition of phosphine (PH3) into phosphorus and molecular hydrogen is a first-order reaction: 4PH3(g) P4(g) + 6H₂(g) The half-life of the reaction is 31.9 s at 680 °C. Part: 0 / 2 Part 1 of 2 Calculate the first-order rate constant for the reaction. Round your answer to 3 significant digits. x10 X Ś 010
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