Fall 07 Mid Term 2

Fall 07 Mid Term 2 - Midterm II Chemistry 400 Form A Name _...

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Chemistry 400 Name ____________________________________________ Form A Date _____________________________________________ Please use scantron to mark your answers for questions 1 through 13 (4 points each) and show all your work for questions 14 through 21. 1. The A sample of carbon dioxide gas at 125°C and 248 torr occupies a volume of 275 L. What will the gas pressure be if the volume is increased to 321 L at 125°C? A. 212 torr B. 289 torr C. 356 torr D. 441 torr E. 359 torr 2. A sample of propane, a component of LP gas, has a volume of 35.3 L at 315 K and 922 torr. What is its volume at STP? A. 25.2 L B. 30.6 L C. 33.6 L D. 37.1 L E. 49.2 L 3. What is the density of carbon dioxide gas at -25.2°C and 98.0 kPa? A. 0.232 g/L B. 0.279 g/L C. 0.994 g/L D. 1.74 g/L E. 2.09 g/L 4. The pressure of an ideal gas is inversely proportional to its volume at constant temperature and number of moles" is a statement of __________________ Law A. Charles's B. Boyle's C. Amontons's D. Avogadro's E. Gay-Lussac's 5. What is the pressure in a 7.50-L flask if 0.15 mol of carbon dioxide is added to 0.33 mol of oxygen? The temperature of the mixture is 48.0°C.
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Fall 07 Mid Term 2 - Midterm II Chemistry 400 Form A Name _...

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