Question

A hot iron ball of mass 200 g is cooled to a temperature of 22°C. 6.9 kJ of heat is lost to the surroundings during the process. What was the initial temperature of the ball? (ciron = 0.444 J/g°C)

A) 23°C
B) 78°C
C) 100°C
D) 155°C

Answer 1

It is C) 100 degrees Celsius

Answer 2

The initial temperature of the ball was C) 100°C