A small chunk of dry ice (solid carbon dioxide) at 195 K is added to a thermally insulated container filled with liquid nitrogen at its boiling point of 77 K. What happens in the container? (A) The dry ice melts until thermal equilibrium is established. (B) Some of the liquid nitrogen boils and the dry ice gets colder. (C) Some of the liquid nitrogen freezes and the chunk of dry ice gets larger. (D) An equilibrium temperature is reached without any phase changes occurring.

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