14.0 g of cream at 22.9 °C are added to an insulated cup

Last updated: 8/4/2022

14.0 g of cream at 22.9 °C are added to an insulated cup containing 100.0 g of coffee at 71.4 °C. Calculate the equilibrium temperature of the coffee. You may assume no heat is lost to the cup or surroundings, and that any physical properties of cream and coffee you need are the same as those of water. Be sure your answer has 3 significant digits.