Question

400ml of oxygen at 27c were colled to -15 c without the change in pressure calculate the contraction in volume

Answer 1

⚫__¶¶Ħ€Ř€'Ş ỮŘ ΔŇŞŴ€Ř ¶¶___⚫

Total P ( in the flask) = Partial pressure(Ar) + Partial pressure (O2)

= [ n(Ar) +n(O2) ]*RT(final) / V(inal)

= [(1.2 * 0.6 / 0.0821*500)+( 501/760)*0.2/0.0821*400)]

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