Question

In: Chemistry

Rank these systems in order of decreasing entropy. a. 1/2 mole of argon gas at 100K...

Rank these systems in order of decreasing entropy.

a. 1/2 mole of argon gas at 100K and 20L

b.1 mole of argon gas at 273K and 40L

c. 1/2 mole of argon gas 273K and 20L

d. 1 mole of argon gas at 273K and 20L

e. 1 mole of carbon tetrachloride gas at 273K and 40L

f. 1 mole of oxygen gas at 273K and 40L

g. 1/2 mole of liquid argon at 100K

Solutions

Expert Solution

A:- The given substances are Ar(g), Ag(l), CCl4(g) and O2(g).

The entropy is directly proportional to volume, temperature, no. of molecules or elemental atoms.

The increasing order of entropy is follws as, gas > liquid > solid.

options rank

e. 1 mole of carbon tetrachloride gas at 273K and 40L                                        1

f. 1 mole of oxygen gas at 273K and 40L                                                             2

b.1 mole of argon gas at 273K and 40L                                                               3

d. 1 mole of argon gas at 273K and 20L                                                              4

c. 1/2 mole of argon gas 273K and 20L                                                               5

a. 1/2 mole of argon gas at 100K and 20L                                                           6

g. 1/2 mole of liquid argon at 100K                                                                      7


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