Question

Asked Apr 15, 2019

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Arrange the following in order of increasing entropy, from smallest to largest value.

1.00 g Br_{2} (gas, 331.9 K, 0.10 atm)

1.00 g Br_{2} (gas, 331.9 K, 1.00 atm)

1.00 g Br atoms (gas 331.9 K, 0.10 atm)

1.00 g Br_{2} (liquid, 331.9 K, 1.00 atm)

(Answers for each can be 1-4)

Step 1

Entropy is the degree of randomness.

Step 2

Maximum entropy is for gases and minimum entropy is for solids.

Out of the four systems, 1.00g Br_{2} (liquid, 331.9 K, 1.00 atm) has lowest entropy when compared to gases. Thus, 1.00g Br_{2} (liquid, 331.9 K, 1.00 atm) has smallest value of entropy among all the system.

Step 3

With an increase in pressure, entropy increases since the molecules collide more and more.

Comparing the other three systems in gaseous state, maximum pressure is for 1.00g Br2 (gas...

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