Question

Question:

After a long day of food, football and family, you decided to relax with a nice glass of wine. Of course, you have to have it just perfect in order to fully enjoy it, so you want your beverage to have a final temperature of 10 degree Celcius. You fill your favorite glass cup (mass of 279g and C of glass = 840 J/kgC) initially at 22 degree Celcius with 480g of your favorite wine innitially at 15 degree Celcius. Assume that the specific heat capacity of wine is very similar to that of water (C of water = 4186 J/kg*C). To cool it down, you need to put ice cubes from the freezer initially at -7 degree Celcius. How many ice cubes do you need to put in the wine to cool it to your desired temperature if each ice cube has a mass of 11g? Assume that the latent heat of fusion for water is Lf' = 333 KJ/Kg and the specific heat capacity of ice = 2100 J/Kg*C

Answer 1