Which of the Following Processes Will Result in the Lowest

Multiple Choice

Which of the following processes will result in the lowest final temperature of the metal-water mixture at equilibrium? The specific heat of cobalt is 0.421 J/(g ∙ °C) .

A) the addition of 100 g of cobalt at 95°C to 80 mL of water at 25°C in an insulated container
B) the addition of 100 g of cobalt at 95°C to 100 mL of water at 25°C in an insulated container
C) the addition of 100 g of cobalt at 95°C to 40 mL of water at 25°C in an insulated container
D) the addition of 100 g of cobalt at 95°C to 20 mL of water at 25°C in an insulated container
E) the addition of 100 g of cobalt at 95°C to 60 mL of water at 25°C in an insulated container