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In your lab is a steel vessel having a volume of 15.0L you charge the vessel...

In your lab is a steel vessel having a volume of 15.0L you charge the vessel with 2.00 moles of H2 and 1.00 moles of O2 . The temp of the vessel is 400 K. What is the partial pressure of the hydrogen? R=0.0205 L atm/mole/K. please show work

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Answer #1

PV = nRT

P = 3 * 0.0205 * 400 / 15

= 1.64 atm

Partial pressure of Hydrogen = P * 2/3

= 1.0934 atm

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Answer #2

partial pressure of the hydrogen = 4.38 atm

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