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Author Question: The first-order decomposition of phosphene to phosphorus and hydrogen, shown below, 4PH3(g) ... (Read 56 times)

awgagawg

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on: Nov 5, 2023
The first-order decomposition of phosphene to phosphorus and hydrogen, shown below,
         4PH3(g) → P4(g) + 6H2(g)
has a half-life of 35.0 s at 680°C.  Starting with 520 mmHg of pure phosphene in an 8.00-L flask at 680°C, how long will it take for the total pressure in the flask to rise to 1.000 atm?
◦ 628 s
◦ 33.4 s
◦ 51.2 s
◦ 111 s
◦ 48.3 s
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
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Marked as best answer by awgagawg on Nov 5, 2023

jojo120419

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Reply #1 on: Nov 5, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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awgagawg

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Reply 2 on: Nov 5, 2023
:D TYSM

vickybb89

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Reply 3 on: Yesterday
Excellent

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