a 26 grams silver ring ( specific hear capacity: 234 J/kg C) is heated to a temperature of 83.7 C and then placed in a calorimeter containing 0.05 Kg of water at 23.8 C. the calorimeter is not perfectly insulated, however, and 0.14 kJ of energy is transferred to the surroundings before a final temperature is reached. what is the final temperature