A copper calorimetric cup with a mass of 100g contains 96g of water at 13 C. If 70g of a substance at 84 C is dropped into the cup, the temperature increases to 20 C. Find the specific heat capacity of the substance

Answer 1

6.9x10^2

Answer 2

627

Answer 3

The answer is 6.9 * 10^2 J/kg*K (or swap K with Celsius)
Can someone please explain how you would solve this question? Thank you