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Unformatted text preview: 1. Which quantities are variables and which are fixed in the following: Charles's law Student Response Correct Answer A. V and n are variables, P and T are fixed B. V and P are variables, n and T are fixed C. P and T are variables, V and n are fixed D. V and T are variables, n and P are fixed E. n and T are variables, V and P are fixed Score: 1/1 2. A gas sample occupies 6.0 liters at 30 o C and 1.0 atm pressure. Calculate the new volume of gas when the temperature is halved to 15.0 o C and the pressure is doubled to 2.0 atm pressure. Score: 1/1 3. A 300. mL glass bulb (mass = 152.38 g empty) was filled with an unknown gas at27.0 o C until the pressure was 685 torr. At this point the mass of the bulb withgas was 153.83 g. Which of these is most probably the gas? Score: 1/1 4. Calculate the density in g/mL of SO 2 (g) at 76C and 2.7 atm pressure. Score: 1/1 5. Consider three 5L flasks, fixed with pressure gauges and small valves, each contain 4 g of gas at 273 K. Flask Consider three 5L flasks, fixed with pressure gauges and small valves, each contain 4 g of gas at 273 K....
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 Spring '08
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