"hich process is accompanied by an increase in entropy? elect one: O a. setting up a stack of dominos O b. restocking a canned goods shelf display in a supermarket O c. dropping a glass pane on the front walk of your residence O d. setting up decorations on a Christmas tree O e. filing correspondence in file folders and placing them in hanging file folde.

"hich process is accompanied by an increase in entropy? elect one: O a. setting up a stack of dominos O b. restocking a canned goods shelf display in a supermarket O c. dropping a glass pane on the front walk of your residence O d. setting up decorations on a Christmas tree O e. filing correspondence in file folders and placing them in hanging file folde.

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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Classify each of the statements as true or false. False Truc An exothermic reaction is always spontaneous. The entropy ofa substance increases when a solid melts into a liquid at any temperature. Product formation is never favored in a reaction with a negative AH and a positive AS. For an endothermic reaction, a decrease in temperature results in a decrease in the equilibrium constant. A reaction will have an equilibrium constant that is less than one if AG" for the reaction is positive. Entropy increases as the temperature decreases. Answer Bank 2°C Mostly cloudy A a ENG 01/0
Which change is likely to be accompanied by an increase in entropy? A. N2 (g) + 3 H2 (g) → 2 NH3 (g) at 25 °C + AgCl (s) at 25 °C B. Ag* (aq) + CF (aq) C. CO2 (s) → CO2 (g) at -70 °C D. H20 (g) = H2O (I) at 100 °C
is gas C. solid 3. Which of the following is a A. ripening of fruits B. liquid nonspontaneous process? C. coffee getting colder B. a ball rolling upwards D. a drop of ink dispersing in water 4. What happens to entropy when solid carbon dioxide (dry ice) sublimes? A. It decreases B. it increases C. It stays the same D. cannot be determined 5. What is the value for standard temperature and pressure or STP? A. 25°C and 10 atm B. 25°C and 1 atm C. 100°C and 1 atm D. 32°C and 10 atm 6. Who is the proponent of the Gibbs free energy? A. William Friedrich B. Guglielmo Marconi C. William Gibbs D. Janno Gibbs 7. When AG H2(g) = 130.6, 12 (s) = 116.7 and Hl (g) = 206.3 A. AS = +165.3 J/K B. AS = -165.3 J/K C. AS = -41 J/K D. AS = +453.6 J/K 9. What value of Gibbs free energy can we safely predict that the reaction is spontaneous at all temperatures? A. a negative value C. a positive value at a low temperature B. a positive value D. a positive value at a high temperature 10. What will be the…
1. Ammonia can be made from the reaction of nitrogen and hydrogen: N2 (g) + 3 H2 (g) ⟺ 2 NH3 (g) For this reaction, K = 1.6 x 102 and ΔH = -91.8 kcal/mole at 25oC. Is the reaction endothermic or exothermic? Briefly explain. Is there in increase in entropy, a decrease in entropy, or no change in entropy? Briefly explain. At 25oC, is this reaction product favored or reactant favored? Briefly explain. Do you expect this reaction to be spontaneous at all temperatures? Briefly explain.
For each of the following changes, do you expect the entropy to increase or decrease? (These questions do not require calculations.) a. Ammonia gas and hydrogen chloride gas react to deposit solid ammonium chloride on a surface b. Two aqueous solutions are combined to form a precipitate c. Methanol gas condenses to form liquid methanol d. Butane liquid reacts with oxygen gas to form carbon dioxide gas and gaseous water e. Liquid water freezes to form ice f. Solid lead melts g. A solid solute dissolves in a liquid solvent h. Liquid water boils Possible answers: 1. Entropy should increase (more positive) 2. Entropy should decrease (more negative) 3. The change in entropy cannot be determined from the information given
A Moving to another question will save this response. Question 11 A reaction has an equilibrium constant (K) of 58.2. If the entropy of this reaction is-36.7 J/mol"K at a temperature of 317 K, what is the enthalpy of this reaction in kJ/mol? Report your answer to one decimal place. If your answer is negative, make sure to input a negative sign (-). Moving to another question wvill save this response. lyp 144 &
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16. Which among the following represents a positive change in entropy? * O release of thermal energy O a decrease in thermal energy a process that is always spontaneous O an increase in dispersal of matter (molecular disorder)
When a liquid is converted to a solid, entropy increases. OTrue O False
13please answer and refer to the periodic table
Which species do you expect to have the highest molar entropy? a. CH2Cl2 (g) b. NH3 (g) c. N2O5 (s) d. N2H4 (l)