HW #1 Thermal expansion. The Ideal Gas Law. 1.1 An iron bar is exactly 1m long at 55°C. A brass bar is 1.5 mm shorter th

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Hw 1 Thermal Expansion The Ideal Gas Law 1 1 An Iron Bar Is Exactly 1m Long At 55 C A Brass Bar Is 1 5 Mm Shorter Th 1 (827.9 KiB) Viewed 38 times

HW #1 Thermal expansion. The Ideal Gas Law. 1.1 An iron bar is exactly 1m long at 55°C. A brass bar is 1.5 mm shorter than the iron bar at the same temperature. At what common higher temperature will the iron bar be 0.5 mm shorter than the brass bar? (iron, 4 = 12 x 105/°C; brass, c = 19 x 10 € /°c) L a Im: 131 L-I) T-? 1.2 To find the coefficient of linear thermal expansion of unknown alloy you measured a bar made of this alloy at 20.0°C with an iron iron ai = 120x106/C) tape measure and it was 1.50 m long. At 75.0°C its length was 1.80 mm longer than that tape measure (also expanded) at the same new temperature. What is that a 1.3 An iron bar is exactly 2.00 m long at 15°C. A brass bar is 1.00 mm shorter at the same temperature. At what common higher temperature will they be the same length? (= 12.0 x 10-6/"c, ay = 19.0 x 106/) 1.4. Snidely Whiplash releases a bubble of 5 cm volume from his submarine which is 100 m below the surface of Lake Nare DuWell. The bubble volume is 58 cm when it reaches the surface (at 25°C). (density of water is 1000 kg/m"). What is the . :VTS=25C temperature of the water at the depth of 100 m2 Water 15. The air is coming from a tube at the floor of the aquarium in bubbles of 0.8 cm At the time it is reaching the surface of the AR-100 m water they have size of 1.6 cm. The temperature of water at the floor is 10°C and at the water surface 15°C. How deep is the P. V. TI =? aquarum? (Atmospheric pressure is 101 kPa: density of water is 1000 kg/m) 1.6. Fearless Fosdick needs to know the radius of his weather balloon at lift off. The balloon is filled at atmospheric SSSSSSSS pressure (1 x 10 Pa) at 300 K. At maximum height the balloon expands to a radius of 20 m where the pressure is 0.03 atmospheres and 200°K. What is the launch radius? 17 While fishing at 10.0 m deep pond at my backyard, I saw a few bubbles of aur appearing on the surface of the water Estimating the diameter of the bubbles being about 1.2 cm, and the water temperature on the surface of the water as 22.0 C that is about 6 °C warmer than on the floor of the pond] What was the radius of the air bubbles as they were released at the floor of the pond? (Atmospheric pressure is 101 kPa: density of water is 1000 kg/m) 18. You just bought a 40.0 cm diameter Birthday Balloon for your friend. Coming out of the Citadel Mall with the temperature inside of 20.0°C you went to meet your friend outside and you noticed that your gift balloon shrinks to 36.0 cm in diameter Assuming that atmospheric pressure is same inside as it is outside, evaluate the temperature outside.