Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
12th Edition
ISBN: 9781259587399
Author: Eugene Hecht
Publisher: McGraw-Hill Education
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 18, Problem 30SP
How long does it take a 2.50-W heater to boil away 400 g of liquid helium at the temperature of its boiling point
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Liquid helium has a very low boiling point, 4.2 K, as well as a very low latent heat of vaporization, 2.00 x 104 J/kg. If energy is transferred to a container of liquid helium at the boiling point from an immersed electric heater at a rate of 10.0 W, how long does it take to boil away 2.00 kg of the liquid?
Liquid helium has a very low boiling point, 4.2 K, as well as a very low latent heat of vaporization, 2.00 104 J/kg. If energy is transferred to a container of liquid helium at the boiling point from an immersed electric heater at a rate of 19.0 W, how long does it take to boil away 2.30 kg of the liquid? _________________min
A 0.0303-m3 container is initially evacuated. Then, 5.71 g of water is placed in the container, and, after some time, all of the water
evaporates. If the temperature of the water vapor is 448 K, what is its pressure?
Number
0.39
Units
mol
Hint
Chapter 18 Solutions
Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
Ch. 18 - 18.19 [I] Victoria Falls on the Zambezi River is...Ch. 18 - Prob. 20SPCh. 18 - 21. How much energy must be removed from a 10.0-kg...Ch. 18 - 22. A 100-kg chunk of ice at −150 °C is to have...Ch. 18 - Prob. 23SPCh. 18 - 24. A molten 50.0-kg quantity of gold at 1063 °C...Ch. 18 - Prob. 25SPCh. 18 - Prob. 26SPCh. 18 - Prob. 27SPCh. 18 - 18.28 [II] What will be the final temperature if...
Ch. 18 - Prob. 29SPCh. 18 - 18.30 [II] How long does it take a 2.50-W heater...Ch. 18 - 18.31 [II] A 55-g copper calorimeter contains 250...Ch. 18 - Prob. 32SPCh. 18 - 18.33 [II] How much heat is required to change 10...Ch. 18 - 18.34 [II] Ten kilograms of steam at 100 °C is...Ch. 18 - 18.35 [II] The heat of combustion of ethane gas is...Ch. 18 - Prob. 36SPCh. 18 - 18.37 [II] Determine the result when 100 g of...Ch. 18 - 18.38 [II] Determine the result when 10 g of steam...Ch. 18 - Prob. 39SPCh. 18 - 18.40 [II] How long will it take a 500-W heater to...Ch. 18 - Prob. 41SPCh. 18 - 18.42 [II] On a certain day the temperature is 20...Ch. 18 - 18.43 [II] How much water vapor exists in a 105-...Ch. 18 - 18.44 [II] Air at 30 °C and 90 percent relative...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- In Figure P19.22, the change in internal energy of a gas that is taken from A to C along the blue path is +800 J. The work done on the gas along the red path ABC is 500 J. (a) How much energy must be added to the system by heat as it goes from A through B to C? (b) If the pressure at point A is five times that of point C, what is the work done on the system in going from C to D? Figure P19.22 (c) What is the energy exchanged with the surroundings by heat as the gas goes from C to A along the green path? (d) If the change in internal energy in going from point D to point A is +500 J, how much energy must be added to the system by heat as it goes from point C to point D?arrow_forwardAn aluminum rod 0.500 m in length and with a cross-sectional area of 2.50 cm2 is inserted into a thermally insulated vessel containing liquid helium at 4.20 K. The rod is initially at 300 K. (a) If one-half of the rod is inserted into the helium, how many liters of helium boil off by the time the inserted half cools to 4.20 K? Assume the upper half does not yet cool. (b) If the circular surface of the upper end of the rod is maintained at 300 K, what is the approximate boil-off rate of liquid helium in liters per second after the lower half has reached 4.20 K? (Aluminum has thermal conductivity of 3 100 W/m K at 4.20 K; ignore its temperature variation. The density of liquid helium is 125 kg/m3.)arrow_forwardA 1.00-mol sample of hydrogen gas is heated at constant pressure from 300 K to 420 K. Calculate (a) the energy transferred to the gas by heat, (b) the increase in its internal energy, and (c) the work done on the gas.arrow_forward
- A cylinder is closed at both ends and has insulating EZZ3 walls. It is divided into two compartments by an insulating piston that is perpendicular to the axis of the cylinder as shown in Figure P21.75a. Each compartment contains 1.00 mol of oxygen that behaves as an ideal gas with = 1.40. Initially, the two compartments haw equal volumes and their temperatures are 550 K and 250 K. The piston is then allowed to move slowly parallel to the axis of the cylinder until it comes to rest at an equilibrium position (Fig. P2l.75b). Find the final temperatures in the two compartments.arrow_forwardAn ideal gas initially at 300 K undergoes an isobaric expansion at 2.50 kPa. If the volume increases from 1.00 m3 to 3.00 m3 and 12.5 kJ is transferred to the gas by heat, what are (a) the change in its internal energy and (b) its final temperature?arrow_forwardA high-pressure gas cylinder contains 70.0 L of toxic gas at a pressure of 1.60 107 N/m2 and a temperature of 12.0°C. Its valve leaks after the cylinder is dropped. The cylinder is cooled to dry ice temperatures (−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? N/m2(b) What is the final pressure if one-tenth of the gas escapes? N/m2(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)?arrow_forward
- In many ideal gas problems, room temperature is considered to be at 300 K to make calculations ?easier. What is this temperature in Celsius C = 60° a O C = 66°.bO C = 63°.cCarrow_forwardA high-pressure gas cylinder contains 70.0 L of toxic gas at a pressure of 1.40 x 107 N/m² and a temperature of 16.0°C. Its valve leaks after the cylinder is dropped. The cylinder is cooled to dry ice temperatures (-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? 9.42e6 N/m² (b) What is the final pressure if one-tenth of the gas escapes? 8.61e6 N/m² (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)? 2.14 Review the values for initial and final pressure for this situation. Karrow_forwardA high-pressure gas cylinder contains 70.0 L of toxic gas at a pressure of 2.10 x 107 N/m2 and a temperature of 14.0°C. Its valve leaks after the cylinder is dropped. The cylinder is cooled to dry Ice temperatures (-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? N/m² (b) What is the final pressure if one-tenth of the gas escapes? N/m² (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)? K Additional Materialsarrow_forward
- Suppose a tank contains 523 m³ of neon (Ne) at an absolute pressure of 1.01×105 Pa. The temperature is changed from 293.2 to 295.4 K. What is the increase in the internal energy of the neon?arrow_forwardA sealed container holding 0.500 kg of liquid nitrogen at its boiling point of 77.3 K is placed in a large room at 21.0°C. Energy is transferred from the room to the nitrogen as the liquid nitrogen boils into a gas and then warms to the room’s temperature. (a) Assuming the room’s temperature remains essentially unchanged at 21.0°C, calculate the energy transferred from the room to the nitrogen. (b) Estimate the change in entropy of the room. Liquid nitrogen has a latent heat of vaporization of 2.01 x 105 J/kg. The specific heat of N2 gas at constant pressure is c(N2) = 1.04 x 103 J/kg · K .arrow_forwardSuppose a tank contains 809 m3 of neon (Ne) at an absolute pressure of 1.02 x 105 Pa. The temperature is changed from 293.2 to 294.7 K. What is the increase in the internal energy of the neon?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
College PhysicsPhysicsISBN:9781285737027Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
Physics for Scientists and Engineers, Technology ...PhysicsISBN:9781305116399Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Physics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Physics for Scientists and Engineers with Modern ...PhysicsISBN:9781337553292Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
College Physics
Physics
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
Physics for Scientists and Engineers, Technology ...
Physics
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Physics for Scientists and Engineers
Physics
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Physics for Scientists and Engineers with Modern ...
Physics
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
The Second Law of Thermodynamics: Heat Flow, Entropy, and Microstates; Author: Professor Dave Explains;https://www.youtube.com/watch?v=MrwW4w2nAMc;License: Standard YouTube License, CC-BY