Asealed, insulated calorimeter contains water at 310 k. the surrounding air temperature is 298 k, and the water inside the calorimeter remains at 310 k two hours later. what type of system does the calorimeter attempt to model? a closed system, because energy can enter or leave the system, but matter cannot. a closed system, because neither heat nor matter is entering or leaving the container. an isolated system, because energy can enter or leave the system, but matter cannot. an isolated system, because neither heat nor matter is entering or leaving the container.