For each system listed in the first column of the table below, decide (ifpossible) whether the change described in the second column willincrease the entropy s of the system, decrease s, or leave s unchanged.If you don't have enough information to decide, check the "not enoughinformation" button in the last column.oloNote for advanced students: you may assume ideal gas and idealsolution behaviour.ArSystemChangeASO AS < 0O AS = 0A solution made of ammonium iodide50. mL of pure water is added to(NH,I) in water, at 65° C.AS > 0the solution.not enoughinformationO As < 020. L of pure carbon dioxide (CO,)AS = 0The gases are mixed, with thegas and 20.0 L of pure helium (He)pressure kept constant at 5 atm.O As > 0gas, both at 5 atm and 10°C.not enoughinformationAS < 0The solution is put into asemipermeable bag immersed in theA 0.35 M solution of sucrose inO AS = 0water, and a beaker of pure water,water, and 50. mL of pure waterO As > 0both at 37.°C.flows through the bag into thesucrose solution.not enoughinformation

Entropy increases when liquid or gaseous molecules get more space to move.

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 O As = 0 A solution made of ammonium iodide 50. mL of pure water is added to (NH I) in water, at 65° C. O AS> 0 the solution. not enough information AS < 0 20. L of pure carbon dioxide (CO,) O As = 0 The gases are mixed, with the gas and 20.0 L of pure helium (He) pressure kept constant at 5 atm. O As > 0 gas, both at 5 atm and 10°C. not enough information O AS< 0 The solution is put into a semipermeable bag immersed in the water, and 50. mL of pure water A 0.35 M solution of sucrose in O AS = 0 water, and a beaker of pure water, O AS> 0 both at 37.°C. flows through the bag into the sucrose solution. 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 AS < 0 O As = 0 A solution made of ammonium iodide 50. mL of pure water is added to (NH I) in water, at 65° C. O AS> 0 the solution. not enough information AS < 0 20. L of pure carbon dioxide (CO,) O As = 0 The gases are mixed, with the gas and 20.0 L of pure helium (He) pressure kept constant at 5 atm. O As > 0 gas, both at 5 atm and 10°C. not enough information O AS< 0 The solution is put into a semipermeable bag immersed in the water, and 50. mL of pure water A 0.35 M solution of sucrose in O AS = 0 water, and a beaker of pure water, O AS> 0 both at 37.°C. flows through the bag into the sucrose solution. 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 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 both at 5 atm and 10°C. not enough information AS 0 both at 37.°C. flows through the bag into the sucrose solution. not enough information AS 0 water and 250. mL of brine (very salty water). not enough information O O O O
Identify whether there will be an increase or a decrease in entropy for the system. Nitrogen gas reacts with hydrogen gas to produce ammonia gas. N2(g) + 3H2(g) → 2 NH3(g) the condensation of steam dry ice subliming magnesium solid reacting with molecular oxygen to produce solid magnesium oxide. 2 Mg(s) + O2(g) → 2 MgO(s)
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 sign of reaction entropy AS 0 rxn not enough information. AS 0 rxn not enough information. AS 0 → rxn not enough information. ?
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. Note for advanced students: you may assume ideal gas and ideal solution behaviour. System Change AS AS 0 not enough information AS 0 3°C. not enough information AS 0 both at 37.°C. flows through the bag into the sucrose solution. not enough information O O
Predicting qualitatively how entropy changes with temperature and volume 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 acetone vapor ((CH₂)₂CO). A few moles of helium (He) gas. A few moles of helium (He) gas. Predicting qualit Change The acetone condenses to a liquid at a constant temperature of -12.0 °C. The helium is heated from -19.0 °C to 59.0 °C while the volume is held constant at 10.0 L. The helium is heated from 0.0 °C to 3.0 °C and is also compressed from a volume of 13.0 L to a volume of 10.0 L. tion ΔS O AS 0 O not enough information Ο ΔS 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 . 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 columi System Change AS O AS 0 of 2.0 L. 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 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 nitrogen (N₂) gas. A few moles of nitrogen (N₂) gas. A few grams of liquid acetone ((CH3)₂CO). Change The nitrogen is cooled from 51.0 °C to -7.0 °C and is also expanded from a volume of 3.0 L to a volume of 14.0 L. The nitrogen expands from a volume of 7.0 L to a volume of 12.0 L while the temperature is held constant at 8.0 °C. The acetone is cooled from 64.0 °C to 5.0 °C. AS AS 0 not enough information AS 0 not enough information AS 0 not enough information Ś
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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 both at 3 m and 19°C. not enough information olo AS 0 at 71 °C. not enough information AS 0 water and 250. mL of brine (very salty water). not enough information O O
I took out an ice cube from the -10°C freezer and wanted to add it to the drink, but was immediately called away and forgot to add it to the drink. When I came back, I saw that the ice cube had completely melted into water at a room temperature of 25°C. Assuming that the ice cube is exactly 2 mole, and regard this ice cube as a system, try to calculate the change of enthalpy and entropy (△H,△S) of the system. Let the heat capacity of water be 25 JK-1mol-1, the heat capacity of ice be 15 JK-1mol-1 and the heat of melting of ice △Ĥfus = 6 kJ/mol.
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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…