A food item will be frozen in a system capable of removing 7000$7000$ kJ of thermal energy.

The food product has 60%$60\%$ water, 15%$15\%$ protein, 12%$12\%$ carbohydrates, 9%$9\%$ fat and 4%$4\%$ ash content, and its freezing point is −5$-5$ C.$.$ The latent heat of freezing of food is 280$280$ kJ/$/$kg.$.$ Assuming the initial temperature of the food is 25$25$ C,$,$ find the final temperature of 15$15$ kg of frozen product.

Answer rating: 100% (QA)

Id Problem Given System capacity 7000 kJ of thermal energy removal Food composition 60 water 15 protein 12 carbohydrates 9 fat 4 ash Freezing point 5C ... View the full answer