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Author Question: A quantity of liquid methanol, CH3OH, is introduced into a rigid 3.00-L vessel, the vessel is ... (Read 72 times)

dongbo

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on: Nov 5, 2023

Question 1

75.0 g of PCl5(g) is introduced into an evacuated 3.00 L vessel and allowed to reach equilibrium at 250ºC.
         PCl5(g) PCl3(g) + Cl2(g)
If Kp = 1.80 for this reaction, what is the total pressure inside the vessel at equilibrium?
◦ 2.88 atm
◦ 2.27 atm
◦ 4.54 atm
◦ 7.42 atm
◦ 9.69 atm

Question 2

A quantity of liquid methanol, CH3OH, is introduced into a rigid 3.00-L vessel, the vessel is sealed, and the temperature is raised to 500K.  At this temperature, the methanol vaporizes and decomposes according to the reaction
         CH3OH(g) CO(g) + 2 H2(g),  Kc= 6.90×10–2.
If the concentration of H2 in the equilibrium mixture is 0.426M, what mass of methanol was initially introduced into the vessel?
◦ 147 g
◦ 74.3 g
◦ 33.9 g
◦ 49.0 g
◦ 24.8 g
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
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Marked as best answer by dongbo on Nov 5, 2023

bball_babe_123

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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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dongbo

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Reply 2 on: Nov 5, 2023
Great answer, keep it coming :)

ricroger

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Reply 3 on: Yesterday
Wow, this really help

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