A puddle filled with 20. kg of water is completely frozen to -6.0 degrees celcius in the middle of winter. How much heat must be absorbed by the puddle to melt the ice and warm the water up to 20. celcius during the spring thaw?

Answer 1

20 kg [ specific heat of ice in cals or joules /kg deg * 6 + heat of fusion of water + specific heat of water * 20 ]=answer in calories or Joules

Answer 2

20(2090)(20+6)=1086800 J

Answer 3

8625600 Joules