Answer to Question #196182 in General Chemistry for Gloria L Cantu

Question #196182

Two flasks are connected with a stopcock. Flask #1 has a volume of 2.5 L and contains oxygen gas at a pressure of 0.70 atm. Flask #2 has a volume of 3.8 L and contains hydrogen gas at a pressure of 1.25 atm. When the stopcock between the two flasks is opened and the gases are allowed to mix, what will the resulting pressure of the gas mixture be?


1
Expert's answer
2021-05-21T02:33:11-0400

"P_T =\\frac{ (P\u2081V\u2081 + P\u2082V\u2082) }{ (V\u2081 + V\u2082)}"


"P_T =\\frac{ [(0.70 atm)(2.5 L) + (1.25 atm)(3.8 L)] }{(2.5 L + 3.8 L)}"


"P_T = 1.03 atm"


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