Chemistry Atoms First2e
2nd Edition
ISBN: 9781947172647
Author: OpenStax
Publisher: OpenStax College
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Textbook Question
Chapter 12, Problem 16E
Predict the sign of the entropy change for the following processes..
(a) An ice cube is warmed to near its melting point.
(b) Exhaled breath forms fog on a cold morning.
(c) Snow melts.
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Chapter 12 Solutions
Chemistry Atoms First2e
Ch. 12 - What is a spontaneous reaction?Ch. 12 - What is a nonspontaneous reaction?Ch. 12 - Indicate whether the following processes are...Ch. 12 - A helium-filled balloon spontaneously deflates...Ch. 12 - Many plastic materials are organic polymers that...Ch. 12 - In Figure 12.8 all possible distributions and...Ch. 12 - In Figure 12.8 all possible distributions and...Ch. 12 - How does the process described in the previous...Ch. 12 - Consider a system similar to the one in Figure...Ch. 12 - Consider the system shown in Figure 12.9. What is...
Ch. 12 - Consider the system shown in Figure 12.9. What is...Ch. 12 - Arrange the following sets of systems in order of...Ch. 12 - At room temperature, the entropy of the halogens...Ch. 12 - Consider two processes: sublimation of I2(s) and...Ch. 12 - Indicate which substance in the given pairs has...Ch. 12 - Predict the sign of the entropy change for the...Ch. 12 - Predict the sign of the entropy change for the...Ch. 12 - Write the balanced chemical equation for the...Ch. 12 - Write the balanced chemical equation for the...Ch. 12 - What is the difference between S and S for a...Ch. 12 - Calculate S for the following changes. (a)...Ch. 12 - Determine the entropy change for the combustion of...Ch. 12 - Determine the entropy change for the combustion of...Ch. 12 - Thermite reactions have been used for welding...Ch. 12 - Using the relevant S values listed in Appendix G,...Ch. 12 - From the following information, determine S for...Ch. 12 - By calculating Suniv, at each temperature,...Ch. 12 - Use the standard entropy data in Appendix G to...Ch. 12 - Use the standard entropy data in Appendix G to...Ch. 12 - What is the difference between G and G for a...Ch. 12 - A reaction has H=100kJ/mol and S=250J/mol.K . Is...Ch. 12 - Explain what happens as a reaction starts with G0...Ch. 12 - Use the standard free energy of formation data in...Ch. 12 - Use the standard free energy data in Appendix G to...Ch. 12 - Given: P4(s)+5O2(g)P4O10(s) G=2697.0kJ/mol...Ch. 12 - Is the formation of ozone (O3(g)) from oxygen...Ch. 12 - Consider the decomposition of red mercury(II)...Ch. 12 - Among other things, an ideal fuel for the control...Ch. 12 - Calculate G for each of the following reactions...Ch. 12 - Calculate G for each of the following reactions...Ch. 12 - Calculate the equilibrium constant at 25 C for...Ch. 12 - Determine G for the following reactions. (a)...Ch. 12 - Given that the Gf for Pb2+(aq) and Cl-(aq) is...Ch. 12 - Determine the standard free energy change, Gf, for...Ch. 12 - Determine the standard enthalpy change, entropy...Ch. 12 - The evaporation of one mole of water at 298 K has...Ch. 12 - In glycolysis, the reaction of glucose (Glu) to...Ch. 12 - One of the important reactions in the biochemical...Ch. 12 - Without doing a numerical calculation, determine...Ch. 12 - When ammonium chloride is added to water and...Ch. 12 - An important source of copper is from the copper...Ch. 12 - What happens to G (becomes more negative or more...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- 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.arrow_forwardDefine the following: a. spontaneous process b. entropy c. positional probability d. system e. surroundings f. universearrow_forwardEthanol burns in air or oxygen according to the equation C2H5OH(l)+3O2(g)2CO2(g)+3H2O(g) Predict the sign of S for this reaction.arrow_forward
- What is entropy? Why is entropy important?arrow_forwardHow is the sign of q, heat, defined? How does it relate to the total energy of the system?arrow_forwardSome water is placed in a coffee-cup calorimeter. When 1.0 g of an ionic solid is added, the temperature of the solution increases from 21.5C to 24.2C as the solid dissolves. For the dissolving process, what are the signs for Ssys, Ssurr, and Suniv?arrow_forward
- Determine the entropy change for the combustion of gaseous propane, C3H8, under the standard conditions to give gaseous carbon dioxide and water.arrow_forwardCalculate the entropy change for each of these processes. thereby verifying the predictions made in Conceptual Exercise 16.4. (a) 2 CO2(g) 2 CO(g) + O2(g) (b) NaCl(s) NaCl(aq) (c) MgCO3(s) MgO(s) + CO2(g)arrow_forwardConsider the reaction of 2 mol H2(g) at 25C and 1 atm with 1 mol O2(g) at the same temperature and pressure to produce liquid water at these conditions. If this reaction is run in a controlled way to generate work, what is the maximum useful work that can be obtained? How much entropy is produced in this case?arrow_forward
- Predict the sign of the entropy change for the following processes. Give a reason for your prediction.. (a) Pb2+(aq)+S2(aq)Pbs(s). (b) 2Fe(s)+32O2(g)Fe2O2(s) (C) 2C6H14(l)+19O2(g)14H2O(g)+12CO2(g)arrow_forwardPredict the sign of S, if possible, for each of the following reactions. If you cannot predict the sign for any reaction, state why. a HCl(g)+NH3(g)NH4Cl(s) b N2(g)+3H2(g)2NH3(g) c 2SO2(g)+O2(g)2SO3(g) d CH3OH(l)+32O2(g)CO2(g)+2H2O(g)arrow_forwardDecide whether the following processes will be spontaneous, and why. The why can be general, not specific. a Ice melting at 5C b Ice melting at +5C c KBr(s) dissolving in water d An unplugged refrigerator getting cold e A leaf falling from a tree to the ground f The reaction Li(s)+12F2(g)LiF(s) g The reaction H2O(l)H2(g)+12O2(g)arrow_forward
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