High School

6.00 moles of nitrogen ([tex]N_2[/tex]) gas and 6.00 moles of argon ([tex]Ar[/tex]) gas are in separate, equal-sized, insulated containers at the same temperature. The containers are then connected and the gases (assumed ideal) are allowed to mix.

What is the change in entropy of the system?

Answer :

The entropy change of the system when 6.00 moles of nitrogen gas (N2) and 6.00 moles of argon gas (Ar) are mixed can be determined using the concept of entropy change in an ideal gas mixture.

The change in entropy of the system when 6.00 moles of nitrogen gas (N2) and 6.00 moles of argon gas (Ar) are mixed can be determined using the concept of entropy change in an ideal gas mixture.

Entropy is a measure of disorder in a system.

When the gases mix, there is an increase in matter dispersal, resulting in an increase in entropy.

The change in entropy of the system can be calculated using the equation ΔS = R∙ln(Vf/Vi), where R is the gas constant, Vi is the initial volume, and Vf is the final volume.

Since the containers are connected and the gases mix, the final volume is equal to the sum of the initial volumes.

Therefore, the change in entropy of the system will be positive.

Learn more about entropy change here:

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