CHECKING UNDERSTANDING For problems match the appropriate definition in the right with each term in the left $1\mathrm{.}1$ Boundary $1\mathrm{.}2$ Control volume $1\mathrm{.}3$ Extensive property $1\mathrm{.}4$ Intensive property $1\mathrm{.}5$ Property A region of space through which mass B$.$ A property whose value for an overall system is the sum of its values for the parts into which the system is divided C$.$ Everything external the system D$.$ A property whose value is independent of the size extent of a system and may vary place to place within the system at any moment Distinguishes the system from its surroundings F$.$ A macroscopic characteristic of a system to which a numerical value be assigned at a given time without knowledge of the previous behavior of the Surroundings