Answer number 5-8 pls. I dont waste my money here. 5. Which of the following reactions result in a negativeASsys ?a. H2Ota) →H2Ot)b. CO2(ac) CO20)C. CaCOae) → CaOt) + COzia)d. 140zg) +3NH&NO3() + C10H220→3N219) + 17H209) +10CO2)6. Which of the processes will lead to a positive changein the entropy of the system?a. Stalactites form in a cave.b. Water freezes in a freezer.C. Helium gas escapes from the hole in a balloon.d. Sodium chloride crystals form as saltwaterevaporates.OPO7. Which of the following processes will lead to adecrease in the entropy of the system?Ice melts in your hand.Salt crystals dissolve in water.Iron and oxygen react to fom rust.d. Air escapes from a hole in a balloon.a.b.с.8. Which of the following statements best describes theentropy of water that freezes in a beaker?a. AS (system) increases but AS (surroundings)decreases.b. AS (system) decreases but AS (surroundings)increases.c. AS (system) decreases and AS (surroundings) alsodecreases.d. AS (system) decreases but AS (surroundings)remains the same.

Entropy is the measure of randomness of the system.

Answered: 5. Which of the following reactions…

5. Which of the following reactions result in a negative ASays ? a. H2Ota) H2Ot) b. CO2tac) > CO2a C. CaCOse)→ CaOfs) +CO2ia) d. 1402g) +3NH&NO3(0) + C1oHzzm → 3N29) + 17H2O() +10CO2

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter11: Chemical Kinetics

Section: Chapter Questions

Problem 11.58PAE

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Question

Answer number 5-8 pls. I dont waste my money here.

5. Which of the following reactions result in a negative
ASsys ?
a. H2Ota) →H2Ot)
b. CO2(ac) CO20)
C. CaCOae) → CaOt) + COzia)
d. 140zg) +3NH&NO3() + C10H220→
3N219) + 17H209) +10CO2)
6. Which of the processes will lead to a positive change
in the entropy of the system?
a. Stalactites form in a cave.
b. Water freezes in a freezer.
C. Helium gas escapes from the hole in a balloon.
d. Sodium chloride crystals form as saltwater
evaporates.
OPO
7. Which of the following processes will lead to a
decrease in the entropy of the system?
Ice melts in your hand.
Salt crystals dissolve in water.
Iron and oxygen react to fom rust.
d. Air escapes from a hole in a balloon.
a.
b.
с.
8. Which of the following statements best describes the
entropy of water that freezes in a beaker?
a. AS (system) increases but AS (surroundings)
decreases.
b. AS (system) decreases but AS (surroundings)
increases.
c. AS (system) decreases and AS (surroundings) also
decreases.
d. AS (system) decreases but AS (surroundings)
remains the same.

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