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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 58 times)

dongbo

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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


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Marked as best answer by dongbo on Nov 5, 2023

bball_babe_123

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dongbo

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Reply 2 on: Nov 5, 2023
Excellent


amandanbreshears

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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