8) For which of the following will the entropy of the system increase? A) reaction of magnesium with oxygen to form magnesium oxide B) sublimation of dry ice C) condensation of steam D) reaction of nitrogen and hydrogen to form ammonia

8) For which of the following will the entropy of the system increase? A) reaction of magnesium with oxygen to form magnesium oxide B) sublimation of dry ice C) condensation of steam D) reaction of nitrogen and hydrogen to form ammonia

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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#8 please

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8) For which of the following will the entropy of the system increase?
A) reaction of magnesium with oxygen to form magnesium oxide
B) sublimation of dry ice
C) condensation of steam
D) reaction of nitrogen and hydrogen to form ammonia
8)
9) The figure represents the spontaneous evaporation of nitrogen in which liquid nitrogen, N2(l),
becomes gaseous nitrogen, N2(g): N2(1) - N2(8). What are the signs (+ or -) of AH, AS, and AG for
this process?
9)
86 8
A) AH = -, AS =-, AG = -
C) AH = -, AS =-, AG = +
B) AH = +, AS = +, AG= +
D) AH = +, AS = +, AG = -
10) For bromine, AH°vap = 30.91 kJ/mol and AS°vap 93.23 JK-lmol-1 at 25°C. What is the normal
boiling point for bromine? (Hint: A phase transition is and equilibrium.)
A) 25°C
10)
B) 58°C
C) 124°C
D) 332°C
hp

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