Which of the following processes will result in a spontaneous rearrangement of matter and energy?Select the correct answer below:OA thin layer of water left on the counter.O A drop of food coloring added to a cup of water.O Both A and B.O None of the aboveContent attributionF1QZF22WSAltXF3#3EDF4Cजीपं$FF5%olo in5VF6Ga6BF7DELLYHF8&7сNtF9*800MF105KF11LAlt3F127PrtCtrl

Thermodynamically spontaneous process is a process which occurs without any external force to the…

Which of the following processes will result in a spontaneous rearrangement of matter and energy? Select the correct answer below: A thin layer of water left on the counter. A drop of food coloring added to a cup of water. Both A and B. None of the above

Which of the following processes will result in a spontaneous rearrangement of matter and energy? Select the correct answer below: A thin layer of water left on the counter. A drop of food coloring added to a cup of water. Both A and B. None of the above

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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A reaction with a ____________ AH and a AS will never be spontaneous. O positive, negative O positive, positive O negative, negative O negative, positive it is impossible to predict without knowing the temperature T in Kelvin.
2. Define and give an example: Spontaneous, exergonic 3. Define and give an example: Non-spontaneous, endergonic
Experimental observations of a biochemical reaction have indicated that the reaction releases free energy to its surroundings. What is the name for this type of reaction and what sign is associated with its value for change of free energy? a. Exothermic, negative b. Exothermic, positive c. Endothermic, negative d. Exergonic, negative e. Endothermic, positive
compare two systems, one with high energy density (lots of closely spaced energy levels) and one with a low energy density (fewer, more spaced-out energy levels). How does the energy density relate to the ideas of thermodynamics and equilibrium
Which of the following would not be considered spontaneous? Select one: a.cooling a cup of coffee at room temperature b.ice melting at room temperature c.compression of gas to fill a tire d.water flowing downhill
A process that takes place so slowly as to be capable of reversing direction in response to an infinitesimally small change in conditions is defined as which of the following terms? O Nonspontaneous process Spontaneous change O Irreversible process Reversible process
Which of the following exhibits a non-spontaneous?a. Rain falls from the sky.b. A plants grows into a tree.c. A fruit rots after several days.d. A cellphone battery is being recharged.
At 25 ?C the reaction from Part A has a composition as shown in the table below. Substance Pressure (atm) 3.75 C2H2(g) H2(g) C2H6(g) 5.25x10?2 What is the free energy change, ?G, in kilojoules for the reaction under these conditions? 4.75
When a system is at equilibrium, __________ a. the forward process is spontaneous but the reverse process is not b. the reverse process is spontaneous but the forward process is not c. both forward and reverse processes have stopped d. the forward and the reverse processes are both spontaneous e. the process is not spontaneous in either direction
Multiple Choice 1. This overall reaction is best described as being: a. exothermic b. endothermic c. endergonic d. exergonic e. spontaneous in the forward direction a. -35800 kJ/mol b. 173.4 kJ/mol c. 35800 kJ/mol d. 101.7 kJ/mol e. -274.2 kJ/mol a. +0.46 V b. +0.617 V c. +1.39 V d. -0.46 V e. +1.21 V G a. 147 g Al b. 0.606 g Al c. 4.55 × 10-3 g Al Reactants 2. At 298 K, AH° for the following reaction is -137.5 kJ/mol, and AS° is +120.5 J/K. Calculate the value of AG° for this reaction at 298 K. C2H4 (g) + H2 (g) C2H6 (g) d. 16.4 g Al e. 49.1 g Al X Reactants 2Fe2+ (aq) + Sn4+ (aq) Products 3. Use the Table to calculate the standard cell potential (Eºcell) for the voltaic cell based on the reaction below. Sn2+ (aq) + 2Fe3+, (aq) Reaction progress Products Half-reaction Cr³+ (aq) + 3e- Fe2+ (aq) + 2e- Fe3+ (aq) + e- → Sn4+ (aq) + 2e- → → Cr (s) Fe (s) Fe2+ (s) Sn²+ (aq) 4. How many grams of aluminum metal are produced in the electrolysis of molten AIC13 for 3.25 br with an electrical…
5. Which of the following has a negative DS? A. Dissolve salt in water B. Heating chlorine vapors C. Heating a pure liquid D. Deposition of a gas to a solid 6. Which of the following has a negative DS? A. Melting ice B. Freezing liquid bromine C. Subliming a solid to a gas D. Evaporating water 7. What is defined as the phenomenon where the entropy of the universe increases in a spontaneous process and is constant in an equilibrium process? A. The law of spontaneity B. The 1st law of thermodynamics C. The 2nd law of thermodynamics D. The 3rd law of thermodynamics.
4. Select all that is considered spontaneous a. Cleaning your room b. A piece of bread molding after being left out in the sun c. A bomb exploding d. Pushing a ball up a ramp e. Ice melting f. Frying an egg g. Putting together a puzzle