Consider two containers, one holding 1 kg of argon at 300 K and the other holding 1 kg of krypton at 500 K. In each vessel, the average microscopic speed is given by ̄v = √8kbT /πm. (a) For which species is the average microscopic speed the highest? (b) Consider bringing these two containers together and mixing the nitrogen and krypton without any net volume change or heat transfer to the surroundings. What is the total internal energy contained within the vessel?

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