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Entropy is the randomness of a system. At the molecular level, entropy can be described in terms of the possible number of different arrangements of particle positions and energies, called microstates. The more microstates the system has, the greater its entropy. Another way of looking at entropy is that the universe is moving toward a broader distribution of energy. The universe has a constant amount of energy as stated in the first law of thermodynamics. The universe started with low entropy (concentrated in the moment before the "big bang") and the entropy has since been constantly increasing by distributing this energy. Heat distribution from high temperature to low temperature is a another example of this phenomenon. • Part A Rank these systems in order of decreasing entropy. Rank from highest to lowest entropy. rank items as equivalent, overlap them. >View Available Hint(s) Reset Help Greatest entropy Least entropy 1 mol of methane gas at 273 K and 40 L 1 mol of helium gas at 273 K and 40 L 1 mol of helium gas at 273 K and 20 L 1 mol of hydrogen gas at 273 Kand 40 L 1/2 mol of 1/2 mol of helium gas at 273 K and 20 L helium gas a 100 Kand 20 L 1/2 mol of liquid helium at 100 K O The correct ranking cannot be determined.

Entropy is the randomness of a system. At the molecular level, entropy can be described in terms of the possible number of different arrangements of particle positions and energies, called microstates. The more microstates the system has, the greater its entropy. Another way of looking at entropy is that the universe is moving toward a broader distribution of energy. The universe has a constant amount of energy as stated in the first law of thermodynamics. The universe started with low entropy (concentrated in the moment before the "big bang") and the entropy has since been constantly increasing by distributing this energy. Heat distribution from high temperature to low temperature is a another example of this phenomenon. • Part A Rank these systems in order of decreasing entropy. Rank from highest to lowest entropy. rank items as equivalent, overlap them. >View Available Hint(s) Reset Help Greatest entropy Least entropy 1 mol of methane gas at 273 K and 40 L 1 mol of helium gas at 273 K and 40 L 1 mol of helium gas at 273 K and 20 L 1 mol of hydrogen gas at 273 Kand 40 L 1/2 mol of 1/2 mol of helium gas at 273 K and 20 L helium gas a 100 Kand 20 L 1/2 mol of liquid helium at 100 K O The correct ranking cannot be determined.

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter18: Thermodynamics And Equilibrium
Section: Chapter Questions
Problem 18.21QP
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Entropy is the randomness of a system. At the molecular level, entropy can be described in terms of the possible number of different arrangements of particle positions and energies, called microstates. The more microstates the system has, the greater its entropy. Another way of looking at entropy is that the universe is moving toward a broader distribution entropy has since been constantly increasing by distributing this energy. Heat distribution from high temperature to low temperature is a another example of this phenomenon. energy. The universe has a constant amount of energy as stated in the first law of thermodynamics. The universe started with low entropy (concentrated in the moment before the "big bang") and the Part A Rank these systems in order of decreasing entropy. Rank from highest to lowest entropy. To rank items as equivalent, overlap them. > View Available Hint(s) Reset Help Greatest entropy Least entropy 1 mol of helium gas at 273 K and 20L 1 mol of 1 mol of helium gas at 273 K and 40 L 1 mol of hydrogen gas at 1/2 mol of helium gas at 100 K and 20 L 1/2 mol of 1/2 mol of methane gas at 273 K and 40 L helium gas at 273 K and 20 L liquid helium at 100 K 273 K and 40L O The correct ranking cannot be determined. Submit Previous Answers X Incorrect; Try Again; 5 attempts remaining A monatomic gas (such as helium) has only translational movement between particles. A polyatomic gas (such as hydrogen) has vibrational and rotational movement in the molecules in addition to translational movement. Consider in which case there is a broader distribution of energy. Part B Classify each process by its individual effect on the entropy of the universe, S. Drag the appropriate items to their respective bins. > View Available Hint(s) Reset Help a process run infinitesimally slowly at equilibrium and reversed to its original solid and liquid water combined together at STP motion of a frictionless pendulum evaporation of water from a cup state ice melting to water above the melting point isothermal expansion of a real gas Increases S of the universe Does not affect S of the universe Decreases S of the universe
Transcribed Image Text:Entropy is the randomness of a system. At the molecular level, entropy can be described in terms of the possible number of different arrangements of particle positions and energies, called microstates. The more microstates the system has, the greater its entropy. Another way of looking at entropy is that the universe is moving toward a broader distribution entropy has since been constantly increasing by distributing this energy. Heat distribution from high temperature to low temperature is a another example of this phenomenon. energy. The universe has a constant amount of energy as stated in the first law of thermodynamics. The universe started with low entropy (concentrated in the moment before the "big bang") and the Part A Rank these systems in order of decreasing entropy. Rank from highest to lowest entropy. To rank items as equivalent, overlap them. > View Available Hint(s) Reset Help Greatest entropy Least entropy 1 mol of helium gas at 273 K and 20L 1 mol of 1 mol of helium gas at 273 K and 40 L 1 mol of hydrogen gas at 1/2 mol of helium gas at 100 K and 20 L 1/2 mol of 1/2 mol of methane gas at 273 K and 40 L helium gas at 273 K and 20 L liquid helium at 100 K 273 K and 40L O The correct ranking cannot be determined. Submit Previous Answers X Incorrect; Try Again; 5 attempts remaining A monatomic gas (such as helium) has only translational movement between particles. A polyatomic gas (such as hydrogen) has vibrational and rotational movement in the molecules in addition to translational movement. Consider in which case there is a broader distribution of energy. Part B Classify each process by its individual effect on the entropy of the universe, S. Drag the appropriate items to their respective bins. > View Available Hint(s) Reset Help a process run infinitesimally slowly at equilibrium and reversed to its original solid and liquid water combined together at STP motion of a frictionless pendulum evaporation of water from a cup state ice melting to water above the melting point isothermal expansion of a real gas Increases S of the universe Does not affect S of the universe Decreases S of the universe
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