A cylinder that has a 44.0-cm radius and is 50.0 cm deep is filled with air at 23.0°C and
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- A 200cm3 glass flask is filled to the brim with mercury (βHg= 18 x 10-5 K-1) at 20°C. How much mercury overflows when the temperature of the system is raised to 100°C? The coefficient of linear expansion of the glass is 0.40 x 10-5 K-1 A. 2.2cm³ B. 2.7cm³ C. 2.9cm³ D. 2.5cm³What mass of ice at -11.7°C is needed to cool a whale's water tank, holding 1.26 x 103 m3 of water, from 20.0°C down to a more comfortable 10.0°C?63.0 L of oxygen at 21.0°C and an absolute pressure of 2.55atm are compressed to 38.3L and at the same time, the temperature is raised to 53.0°C. What will the new pressure be? P= atm
- A piece of copper tubing used in plumbing has a length of 54.0 cm Question 1. and an inner diameter of 1.25 cm at 22.0°C. When hot water at 95.0°C flows through the tube, what are (a) the tube's new length and (b) the change in its cross-sectional area? (c) if the density of copper is 8.92 x 103 kg/m³ at 22.0°C, find its density at 95.0°CAt a temperature of 22.00°C the hole in a steel plate has a diameter of 1.030 cm. If a steel rod with a diameter of 1.037 cm has to just slip through this hole, to what temperature should the plate be heated? The coefficient of area expansion of steel is 24 x 10-6/°C. °CA bicycle tire has a pressure of 6.80 ✕ 105 N/m2 at a temperature of 19.0°C and contains 2.30 L of gas. What will its pressure be (in Pa) if you let out an amount of air that has a volume of 120 cm3 at atmospheric pressure? Assume tire temperature and volume remain constant. _________Pa
- 33. A bicycle tire has a pressure of 7.00 × 10° N/m² at a temperature of 18.0°C and contains 2.00 L of gas. What will its pressure be if you let out an amount of air that has a volume of 100 cm³ at atmospheric pressure? Assume tire temperature and volume remain constant.At 19.5°C, the radius of a solid aluminum sphere is 8.00 cm. (a) At what temperature will the volume of the sphere have increased by 2.50%? °C (b) What is the increase in the sphere's radius if it is heated to 300°C? Assume a = 22.2 x 10-6 K-1 and B = 66.6 × 10-6 K-1. 5 x cmIf 23.5 moles of an ideal gas occupies 0.0465 cubic meters at 14.5 °C, what is the pressure of the gas? pressure: Pa
- A hot air balloon uses the principle of buoyancy to create lift. By making the air inside the balloon less dense then the surrounding air, the balloon is able to lift objects many times its own weight. A large hot air balloon has a maximum balloon volume of 2090 m3. a. If the air temperature in the balloon is 54 °C, how much additional mass, in kilograms, can the balloon lift? Assume the molar mass of air is 28.97 g/mol, the air density is 1.20 kg/m3, and the air pressure is 1 atm.The mass of a hot-air balloon and its cargo (not including the air inside) is 160 kg. The air outside is at 10.0°C and 101 kPa. The volume of the balloon is 550 m3. To what temperature must the air in the balloon be warmed before the balloon will lift off? (Air density at 10.0°C is 1.244 kg/m3.) K=??