CHEM111F16_DQ_week5thermokey-3 - CHEM111 Week 6 Discussion Questions 1 An ideal gas at 7oC is in a spherical exible container having a radius of 1.00 cm

CHEM111F16_DQ_week5thermokey-3 - CHEM111 Week 6 Discussion...

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CHEM111 Week 6 Discussion Questions 1) An ideal gas at 7oC is in a spherical flexible container having a radius of 1.00 cm. The gas isheated at constant pressure to 88oC. Determine the radius of the spherical container a5er thegas is heated. 2) A 1.5L balloon is filled with a mixture of helium and nitrogen. Assuming that this occurs at 25oC and atmospheric pressure (1.00 atm), determine the following: (2.5 points each. a)How many total moles of gas were used to fill the balloon? b)If the partial pressure of He in the balloon is 0.8 atm, what is the partial pressure of N2in the balloon? What are the mole fractions of He and N2in the balloon? c)What is the density of He in this balloon? d)Which of these two gasses would you expect to effuse out of the balloon faster and why?
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