2. Which of the following statements regarding entropy is FALSE?a) Sugar poured into a container of water dissolves. The entropy of the sugar and waterincreases.b) A block of dry ice sublimates to CO2 gas. The entropy change is positive.c) Wood bums and becomes ash, smoke and gases. The entropy change increases.d) Building a house from building blocks (bricks, stones and mortar). The entropyincreases.e) A snowman melts on a spring day.3. Which of the following processes involve an increase in AS ?i. Br:()H. 2H:(9) + O:(g)il. 2KCIO:(s)iv. 2H9O(s)Br:(g)2H:0(g)2KCI(s) + 30:(g)2Hg(1) + O:(g)a) i onlyb) i onlyc) i and iv onlyd) i, i, and iv onlye) i, ii, ii, and iv only4. Predict the sign of AS" of the reaction, and indicate the reason for the change2H:(g) + O:(g) 2H;0(g) (Select all that apply.)il.i.iv.due to the dissolving of a compounddue to the precipitation of a compounddue to an increase in the number of moles of gasdue to a decrease in the number of moles of gasdue to the formation of a more ordered physical statedue to the formation of a less ordered physical stateV.vi.vii.viii.a) i onlyb) I, i and vii onlyc) i, ii, and v onlyd) i, vi, and viii onlye) i, i, vi, and vili only5. Which of the following are the criteria for a spontaneous process? (Select all that apply)a) AG < 0b) AS > 0c) ASUNIV > 0d) AHsys <0e) ASUNIV + aSsvs < 0

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2. Which of the following statements regarding entropy is FALSE? a) Sugar poured into a container of water dissolves. The entropy of the sugar and water increases. b) A block of dry ice sublimates to CO: gas. The entropy change is positive. c) Wood bums and becomes ash, smoke and gases. The entropy change increases. d) Building a house from building blocks (bricks, stones and mortar). The entropy increases. e) A snowman melts on a spring day.

2. Which of the following statements regarding entropy is FALSE? a) Sugar poured into a container of water dissolves. The entropy of the sugar and water increases. b) A block of dry ice sublimates to CO: gas. The entropy change is positive. c) Wood bums and becomes ash, smoke and gases. The entropy change increases. d) Building a house from building blocks (bricks, stones and mortar). The entropy increases. e) A snowman melts on a spring day.

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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Calculate the change in entropy that occurs in the system when 1.00 mole of diethyl ether (C,H1,0) condenses from a gas to a liquid at its normal boiling point (34.6°C). " ***
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The CO2 sublimation heat is 16.2 kJ/mol and the entropy value of sublimation is 88.5 joules/mol. k (What temperature does CO2 sublimate at?
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