Ps12 - Chemistry 1211K Dr Harvey Moody Gas Laws 1 Gases consist mostly of a electron clouds b atomic nuclei c empty space d ions 2 A balloon

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Dr. Harvey Moody Gas Laws 1. Gases consist mostly of a. electron clouds b. atomic nuclei c. empty space d. ions 2. A balloon originally had a volume of 4.39 L at 44°C and a pressure of 729 torr. To what temperature must the balloon be cooled to reduce its volume to 3.78 L if the pressure is constant? a. 38°C b. 0°C c. 72.9°C d. 273°C 3. 24.2 g of a gas initially at 4.00 atm is compressed from 8.00 L to 2.00 L at constant temperature. What is the resulting pressure in atm of the gas? a. 4.00 atm b. 2.00 atm c. 8.00 atm d. 16.0 atm 4. A gas originally at 27°C and 1.00 atm pressure in a 3.9 L flask is cooled at constant pressure until the temperature is 11°C. What is the new volume of the gas? a. 0.27 L b. 3.7 L c. 3.9 L d. 4.1 L 5. What volume of hydrogen gas at 38.0°C and 763 torr can be produced by the reaction of 4.33 g zinc with excess sulfuric acid? a. 1.68 L b. 2.71 x 10 -4 L c. 3.69 x 10 4 L d. 2.84 L 6. How many moles of gas occupy 60.82 L at 31.0°C and 367 torr? a. 1.18 mol
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This note was uploaded on 04/25/2010 for the course CHEM 204 taught by Professor Prof.k during the Spring '10 term at Bradley.

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Ps12 - Chemistry 1211K Dr Harvey Moody Gas Laws 1 Gases consist mostly of a electron clouds b atomic nuclei c empty space d ions 2 A balloon

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