Answer Happy

Please show All steps. thank you!
Please show All steps. thank you!
There are 5 questions. Please show details of your work, not just a starting point and the answer, and write some English text to explain your thinking. Q.1 You have some amount of water at 20°C. You add to the water 20 grams of ice at -5°C. The final temperature of the mixture is 10°C. Calculate the original mass of water at 20°C. Cwater = 4186 J kg-1 k-1, IV-1 k-1 Cw41863 D Cice = 2090 J kg-1 K-1 Csteam = 2020 J kg-1 K-1 Lfusion = 3.34 x 105 J kg-1 for ice/water, -3.3470 Lvaporization = 2.256 x 100 J kg-1 for water/steam -2.250 Ci= 20005 (s = 2020 • Lu=2.256x106 at -9°C 20°C 20g of ice