A 50 g iron sample at 75° C is placed into 1000 g of room temperature water (25° C), in a container that is insulated from the environment. Which component of this isolated system had the greatest change (increase or decrease) in internal energy once thermal equilibrium is reached?
A. 50 g iron sample.
B. 1000 g of water.
C. (There is a tie.)
D. (Not enough information is given.)
Answer:C
A 50 g iron sample at 75° C is placed into 1000 g of room temperature water (25° C), in a container that is insulated from the environment. Which component of this isolated system had the greatest change (increase or decrease) in internal energy once thermal equilibrium is reached?
A. 50 g iron sample. B. 1000 g of water. C. (There is a tie.) D. (Not enough information is given.)