A sample of 0.010 mole of oxygen gas is confined at 127 °c and 0.80 atmosphere. what would be the pressure of this sample at 27 °c and the same volume?

Question

Deandre Mccoy

Chemistry

4 August, 11:48

A sample of 0.010 mole of oxygen gas is confined at 127 °c and 0.80 atmosphere. what would be the pressure of this sample at 27 °c and the same volume?

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Konnor Sanders · Answer 1

First, let's assume ideal gas behavior for simplicity. This is a special case because the volumes of the two states are equal. At constant volume, we can use the Gay-Lussac equation:

P₁/T₁ = P₂/T₂

(0.8) / (127+273) = (P₂) / (27+273)

Solving for P₂,

P₂ = 0.6 atm

Thus, the answer is 0.6 atm.