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Home Flashcards hhhuuuh's Study Deck
  Flashcards by hhhuuuh

Question 1 

At 80.0°C heptane, C7H16, has a vapor pressure of 428 mm Hg and octane, C8H18, has a vapor pressure of 175 mm Hg. What is the vapor pressure of a solution that contains 20.0 g C7H16 and 11.4 g C8H18?
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Question 2 

What is the Al3+:Ag+concentration ratio in the cell Al(s)|Al3+(aq) ∣∣ Ag+(aq)|Ag(s) if the measured cell potential is 2.34 V?
A) 0.0094:1
B) 0.21:1
C) 4.7:1
D) 110:1
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Question 3 

A reaction that absorbs 49.6 kJ from the surroundings in a vessel that undergoes a volume decrease of 1.25 L at a constant 4.00 atm pressure has an energy change, ΔE = ________ kJ.
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