Oxygen gas is collected by downward displacement of water in a jar. The level of water inside the jar is adjusted to the height of water outside the jar. When the adjustment is made, the pressure exer

Question

Oxygen gas is collected by downward displacement of water in a jar. The level of water inside the jar is adjusted to the height of water outside the jar. When the adjustment is made, the pressure exerted by the oxygen is

Prashant Kotian · Accepted Answer

Correct answer: D. When water levels are adjusted, the total pressure inside equals P_atm . Inside the jar, P_total = P_O2 + Aqueous tension => P_O2 = P_atm - Aqueous tension .

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