For each system listed in the first column of the table below, decide (if possible) whether the change described in the second column will increase the entropy Sof 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.Note for advanced students: you may assume ideal gas and ideal solution behaviour.SystemChangeASO AS <020. L of pure oxygen (O,) gas andO AS = 0The gases are mixed, with the20.0 L of pure xenon (Xe) gas,pressure kept constant at 2 atm,O AS > 0both at 2 atm and 7°C.not enoughO InformationAS < 0The seawater is passed through areverse-osmosis filter, whichO AS = 0A liter of seawater at 15°C.separates it into 750. mL of pureO AS > 0water and 250. mL of brine (veryo not enoughinformationsalty water).O AS <0O AS = 01.0 g of potassium iodide (KI) andThe potassium iodide is dissolved inthe water.2.0 L of pure water at 39 °C.O AS > 0not enoughinformation回因

Oxygen and xenon Gases are mixed and we know that entropy of mixture always increases. Hence,…

For each system 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. Note for advanced students: you may assume ideal gas and ideal solution behaviour. System Change AS O AS <0 20. L of pure oxygen (0,) gas and O AS = 0 The gases are mixed, with the 2 atm. 20.0 L of pure xenon (Xe) gas, pressure kept constant O AS> 0 both at 2 atm and 7°C. not enough Information O AS <0 The seawater is passed through a reverse-osmosis filter, which separates it into 750. mL of pure water and 250, mL of brine (very O AS = 0 A liter of seawater at 15°C. O AS >0 salty water). not enough information O AS <0 O AS = 0 1.0 g of potassium iodide (KI) and The potassium iodide is dissolved in the water. 2.0 L of pure water at 39 °C. O AS >0 not enough information

For each system 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. Note for advanced students: you may assume ideal gas and ideal solution behaviour. System Change AS O AS <0 20. L of pure oxygen (0,) gas and O AS = 0 The gases are mixed, with the 2 atm. 20.0 L of pure xenon (Xe) gas, pressure kept constant O AS> 0 both at 2 atm and 7°C. not enough Information O AS <0 The seawater is passed through a reverse-osmosis filter, which separates it into 750. mL of pure water and 250, mL of brine (very O AS = 0 A liter of seawater at 15°C. O AS >0 salty water). not enough information O AS <0 O AS = 0 1.0 g of potassium iodide (KI) and The potassium iodide is dissolved in the water. 2.0 L of pure water at 39 °C. O AS >0 not enough information

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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For each chemical reaction listed in the first column of the table below, predict the sign (positive or negative) of the reaction entropy AS, If it's not Ixn" possible to decide with the information given, check the "not enough information" button in the last column. Note for advanced students: Assume the temperature remains constant. Assume all gases and solutions are ideal. reaction sign of reaction entropy AS 0 AS rxn not enough information. AS 0 AS rxn not enough information. AS 0 not enough information. ?
For each system 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. Note for advanced students: you may assume ideal gas and ideal solution behaviour. System A mixture of oxygen (O₂) gas and hydrogen (H₂) gas at 3 atm and 7°C. A liter of seawater at 15°C. 300 mL of a solution made from sodium iodide (Nal) dissolved in water. Change An additional 2.0 L of pure H₂ gas is added to the mixture, with the pressure kept constant at 3 atm. The seawater is passed through a reverse-osmosis filter, which separates it into 750. mL of pure water and 250. mL of brine (very salty water). 0.5 g of Nal crystallizes out of the solution, without changing the temperature. O O AS 0 O As AS 0 not enough information O not enough. information O AS 0 not enough…
Classify each of the reactions according to one of the four reaction types summarized in the table below. Reaction Spontaneous Process? Турe ΔΗ' (system) AS" (system) (Standard Conditions) 1 Exothermic, 0 Spontaneous at all temperatures. AS (universe) > 0. Exothermic, 0 Positive, > 0 Depends on relative magnitudes of AH and AS°. Spontaneous at higher temperatures. 3 4 Endothermic, > 0 Negative, < 0 Not spontaneous at any temperature. AS" (universe) <0. C,H12 O6 (s) + 6 O2(g) → 6 CO2 (g) + 6 H2O(L) a. A,H° = -673 kJ/mol-rxn A,S° = 60.4 J/K · mol-rxn O Spontaneous at all temperatures. O Spontaneous at lower temperatures. Spontaneous at higher temperatures. ONot spontaneous at any temperature. b. FeO(s) + C(graphite) → Fe(s) + CO(g) A,H° = 153.2 kJ/mol-rxn A,S' = 160.4 J/K · mol-rxn O Spontaneous at all temperatures. O Spontaneous at lower temperatures. Spontaneous at higher temperatures. ONot spontaneous at any temperature.
For each system 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. Note for advanced students: you may assume ideal gas and ideal solution behaviour. System Change AS O AS 0 salty water). not enough information O AS 0 not enough information O AS 0 and 47°C. pressure kept constant at 4 atm. not enough information
es) Qualitatively predicting reaction entropy For each chemical reaction listed in the first column of the table below, predict the sign (positive or negative) of the reaction entropy AS If it's not possible to decide with the information given, check the "not enough information" button in the last column. Note for advanced students: Assume the temperature remains constant. Assume all gases and solutions are ideal. reaction N₂(g) + 3H₂(g) → 2NH, (e) 4Fe()+30.)- 2Fe₂O, (s) N. (3), (g) 2NH, (g) sign of reaction entropy 04 ron reaction <<0 50 not enough information. 45x 250 <<0 not enough information. 450 50 not enough information. Using the general properties of Gibbs free energy The standard reaction free energy AG" --835. kJ for this reaction: 2 Al(s) + Fe₂O3(s)-Al₂O3(s) + 2 Fe(s) Use this information to complete the table below. Round each of your answers to the nearest kJ. BALAKEN F04 AGO Focus
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 AS 0 not enough information AS 0 not enough information AS 0 not enough information ( [U::: OL E
For each system 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 grams of ammonia vapor (NH3). A few moles of nitrogen (N₂) gas. A few moles of nitrogen (N₂) gas. Change The ammonia condenses to a liquid at a constant temperature of -8.0 °C. The nitrogen is cooled from 78.0 °C to 3.0 °C while the volume is held constant at 2.0 L. The nitrogen is heated from -16.0 °C to 12.0 °C and also expands from a volume of 1.0 L to a volume of 10.0 L. AS AS 0 not enough information AS 0 O not enough information O AS 0 not enough information Ś
For each system 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. Note for advanced students: you may assume ideal gas and ideal solution behaviour. System Change AS AS 0 water and 250. mL of brine (very salty water). not enough information AS 0 both at 5 atm and 6° C. not enough information AS 0 not enough information OO O
For each system 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 carbon dioxide (CO₂) gas. Change The carbon dioxide expands from a volume of 10.0 L to a volume of 13.0 L while the temperature is held constant at 57.0 °C. The ammonia evaporates at a constant temperature of 11.0 °C. The carbon dioxide is cooled from 87.0 °C to -2.0 °C and is also expanded from a volume of 8.0 L to a volume of 11.0 L. AS AS 0 not enough information AS 0 not enough information AS 0 not enough information
For each system 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 grams of liquid acetone ((CH₂)₂CO). A few moles of carbon dioxide (CO₂) gas. A few moles of helium (He) gas. Change The acetone is cooled from 78.0 °C to 9.0 °C. The carbon dioxide is heated from -15.0 °C to 46.0 °C and also expands from a volume of 7.0 L to a volume of 14.0 L. The helium is cooled from 70.0 °C to 8.0 °C while the volume is held constant at 11.0 L. AS O AS 0 O AS 0 not enough information O not enough information O O AS 0 not enough information 5
For each system 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 helium (He) gas. A few moles of carbon dioxide (CO₂) gas. A few moles of carbon dioxide (CO₂) gas. Change The helium is compressed from a volume of 11.0 L to a volume of 4.0 L while the temperature is held constant at -6.0 °C. The carbon dioxide is heated from -17.0 °C to 53.0 °C while the volume is held constant at 8.0 L. The carbon dioxide is heated from -8.0 °C to 3.0 °C and also expands from a volume of 10.0 L to a volume of 12.0 L. x AS AS 0 not enough information O AS 0 not enough information O AS 0 not enough information
For each system 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 Sunchanged. 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 acetone ((CH₂)₂CO). A few moles of helium (He) gas. Change The carbon dioxide is heated from 5.0 °C to 64.0 °C and is also compressed from a volume of 14.0 L to a volume of 8.0 L. The acetone is heated from -12.0 °C to 89.0 °C. The helium is heated from -14.0 °C to 44.0 °C while the volume is held constant at 9.0 L. X O AS 0 not enough O information O AS 0 not enough information AS 0 O O O O AS O not enough O information