1. How many calories are required at zero degrees Celsius to melt an ice cube with a mass of 25g?
2. A. Calculate the amount of heat (kcal) released when 50.0g of water at 100 degrees Celsius hits the skin and cools to a body temperature of 37 degrees celsius.
B. Calculate the amount of heat (kcal) released when 50.0 g of steam at 100 degrees celsius hits the skin, condenses, and cools to a body temperature of 37 degrees celsius.
C. Use your answer in 5a and 5b to explain why steam burns are so severe.