Before pouring the boiling water into the bucket, check the temperature of the surrounding environment and the system within the bottle.
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- A 1.40 kg iron horseshoe initially at 610°C is dropped into a bucket containing 15.0 kg of water at 20.0°C. What is the final temperature of the waterhorseshoe system? Ignore the heat capacity of the container and assume a negligible amount of water boils away.Constants 59.5 L of oxygen at 21.0 °C and an absolute pressure of 1.45 atm are compressed to 38.7 L and at the same time the temperature is raised to 58.0 °C. Part A What will the new pressure be? P = atm Submit Request Answer Provide Feedback Next >Sulfur hexafluoride (SF6) is a heavy nontoxic gas with a boiling point of 222 K and a molecular weight of 146. What temperature must another gas have so that the average velocity of its molecules is the same as that of SF6 molecules at 224 K?
- Physics Ch. 12 #47 Please see attached imageA compressed-air cylinder is known to fail if the pressure exceeds 110 atm. A cylinder that was filled to 25 atm at 20°C is stored in a warehouse. Unfortunately, the warehouse catches fire and the temperature reaches 950°C. Does the cylinder explode?A high-pressure gas cylinder contains 50 L of toxic gas at a pressure of 1.5.107 N/m² and a temperature of 23 °C. Its valve leaks after the cylinder is dropped. The cylinder is cooled to dry ice temperature -78.5 °C to reduce the leak rate and pressure so that it can be safely repaired. (a) What is the final pressure in the tank, assuming a negligible amount of gas leaks while being cooled and that there is no phase change? P: 9837079 Pa (b) What is the final pressure if one-tenth of the gas escapes? P 8853371 Pa (c) To what temperature must the tank be cooled to reduce the pressure to 1.00 atm (assuming the gas does not change phase and that there is no leakage during cooling)? T: 200.331 K (d) Does cooling the tank appear to be a practical solution to bring the pressure down and reduce the leak? Assume N, N2. Take into account the values calculatesd in parts (a) through (c). No ! No, that's only partially correct
- A bar of aluminum (bar A) is in thermal contact with a bar of iron (bar B) of the same length and area (see the figure below). One end of the compound bar is maintained at Th = 82.0°C, and the opposite end is at 30.0°C. Find the temperature at the junction when the energy flow reaches a steady state. °CThe table above shows the measurements taken while in ideal gas underwent an iso volumetric process  fill in the values for tableMost automobiles have a coolant reservoir to catch radiator fluid that may overflow when the engine is hot. A radiator is made of copper and is filled to its 11.5-L capacity when at 11.0°C. What volume of radiator fluid will overflow when the radiator and fluid reach their 95.0°C operating temperature, given the fluid's volume coefficient of expansion is 400 ✕ 10^−6/°C and that of copper is 51 ✕ 10^−6/°C. Note that most car radiators have operating temperatures of greater than 95.0°C.