For eac em listed in the first column of the table below, decide (if possible) whether the change described in the second column will increase the entropy S of the system, decrease S, or leave S unchanged. If you don't have enough information to decide, check the "not enough information" button in the last column. System A few moles of carbon dioxide (CO₂) gas. A few grams of liquid ammonia (NH3). A few moles of helium (He) gas. Change The carbon dioxide is cooled from 73.0 °C to 8.0 °C while the volume is held constant at 8.0 L. The ammonia evaporates at a constant temperature of 53.0 °C. The helium is cooled from 66.0 °C to 8.0 °C and is also compressed from a volume of 13.0 L to a volume of 10.0 L. ΔS OAS<0 O AS = 0 OAS> 0 not enough information Ο ΔS < 0 O AS = 0 OAS > 0 not enough information OAS <0 O AS = 0 OAS > 0 not enough information E OL E

For eac em listed in the first column of the table below, decide (if possible) whether the change described in the second column will increase the entropy S of the system, decrease S, or leave S unchanged. If you don't have enough information to decide, check the "not enough information" button in the last column. System A few moles of carbon dioxide (CO₂) gas. A few grams of liquid ammonia (NH3). A few moles of helium (He) gas. Change The carbon dioxide is cooled from 73.0 °C to 8.0 °C while the volume is held constant at 8.0 L. The ammonia evaporates at a constant temperature of 53.0 °C. The helium is cooled from 66.0 °C to 8.0 °C and is also compressed from a volume of 13.0 L to a volume of 10.0 L. ΔS OAS<0 O AS = 0 OAS> 0 not enough information Ο ΔS < 0 O AS = 0 OAS > 0 not enough information OAS <0 O AS = 0 OAS > 0 not enough information E OL E

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter10: Entropy And The Second Law Of Thermodynamics

Section: Chapter Questions

Problem 10.69PAE: 10.69 If a sample of air were separated into nitrogen and oxygen molecules (ignoring other gases...

See similar textbooks

Similar questions

A key component in many chemical engineering designs is the separation of mixtures of chemicals. (a) What happens to the entropy of the system when a chemical mixture is separated? (b) Are designs for chemical separation more likely to rely on spontaneous or nonspontaneous processes?
10.69 If a sample of air were separated into nitrogen and oxygen molecules (ignoring other gases present), what would be the sign of for this process? Explain your answer. The next four questions relate to the following paragraph [Frank L. Lambert, Journal of Chemical Education, 76(10), 1999, 1385]. "The movement of macro objects from one location to another by an external agent involves no change in the objects' physical (thermodynamic) entropy. The agent of movement undergoes a thermodynamic entropy increase in the process."
10.104 (a) When a chemical bond forms, what happens to the entropy of the system? (b) Thermodynamically, what allows any bond formation to occur? (c) What do your answers to parts (a) and (b) suggest must be true about the formation of chemical bonds for the octet rule to hold?
Which contains greater entropy, a quantity of frozen benzene or the same quantity of liquid benzene at the same temperature? Explain in terms of the dispersal of energy in the substance.
There is another free energy state function, the Helmholtz free energy (A), defined as A = E — TS. Comparing this to the definition of G, we see that internal energy has replaced enthalpy in the definition. Under what conditions would this free energy tell us whether or not a process is spontaneous?
For each process, tell whether the entropy change of the system is positive or negative, (a) A glassblower heats glass (the system) to its softening temperature, (b) A teaspoon of sugar dissolves in a cup of coffee. (The system consists of both sugar and coffee.) (c) Calcium carbonate precipitates out of water in a cave to form stalactites and stalagmites. (Consider only the calcium carbonate to be the system.)
How does the second law of thermodynamics explain a spontaneous change in a system that becomes more ordered when that process is exothermic?
For one day, keep a log of all the activities you undertake that consume Gibbs free energy. Distinguish betweenGibbs free energy provided by nutrient metabolism andthat provided by other energy resources.