please type 1. A small gas tank containing nitrogen had a volume of 25 L and an
ID: 546647 • Letter: P
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1. A small gas tank containing nitrogen had a volume of 25 L and an internal pressure of 200.0 atm The tank developed a small leak, and over time emptied into the closed room it was stored in, to a final pressure of 0.975 atm (the atmospheric pressure in the room). What was the volume of the room (including the tank and assuming there was nothing else stored in the room)? 2. Using the data and the graph below, find the temperature at which the volume of a gas sample reaches 105 ml. Label the graph appropriately Volume (ml ) 45.0 65.0 75.0 85.0 Temperature IK) 273 300 325 350 3. In a mixture of gases in a scuba tank, the total pressure in the tank is about 150 atm. Nitrox 1 is a standard gas mixture used for some types of scuba diving and is composed of 32% oxygen and 68% nitrogen. Find the partial pressure in atmospheres of each of these two components in a fall tank of Nitrox I. 4. In a carbon dioxide fire extinguisher at room temperature the carbon dioxide is held at a pressure much higher than atmospheric pressure. When the nozzle is opened the carbon dioxide is released to the atmosphere and then is in an environment where the pressure is equal to the atmospheric pressure. Does the temperature of the carbon dioxide undergoing this change become higher than room temperature, lower than room temperature, or remain the same?Explanation / Answer
Given
Volume of tank V1 = 25 L
Pressure in tank P1 = 200 atm
V2 = volume of room
pressure P2 = 0.975 atm
V1 * P1 = V2 * P2
25 L * 200 atm = V2 * 0.975
V2 = 5128.2 L volume of the room
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