Ashlyn,Popular 365 Question

A) Calculate the pressure exerted by 26.0 g of oxygen gas present in a 6.00 L container at a temperature of 275 K.

Include units!

B) Calculate the number of moles of gas present in a 200.0 mL flask at a pressure of 0.700 atm and a temperature of 325 K.

Include units!

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5 months ago 1

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  1. Roger the Mole

    A)
    P = nRT / V = (26.0 g O2 / (31.99886 g O2/mol)) x (0.08205746 L atm/K mol) x (275 K) / (6.00 L) = 3.06 atm

    B)
    n = PV / RT = (0.700 atm) x (0.2000 L) / ((0.08205746 L atm/K mol) x (325 K)) = 0.00525 mol

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