posted by Lyila .
calculate the total amount of heat needed to change 500g of ice at -10*C into 500g of steam at 120*C. do this by calculating the ehat required for each of the following steps and adding to get the total:
step 1. ice (-10C)-> ice (0C)
step 2. ice (0C) -> water (0C)
step 3. water (0C) -> water (100C)
step 4. water (100C) -> steam (100C)
step 5. steam (100C) -> steam (120C)