1. When 100 g of an unknown metal at 98.0 oC were mixed in a perfect calorimeter with 50.0 g of water at 22.0 oC, the final temperature TF was observed to be 26.4 oC. What is the specific heat of the unknown metal? (3 points, show work for credit)

2. How many calories are required to increase the temperature of 13 g of ethanol from 11 C to 23 C? The specific heat of ethanol is 0.59 cal/g C. (3 points, show work for credit)

3.How much heat does it take to melt 65 grams of ice at 0C? Hfus = 6.01 kJ/mol, (2 pts, show work for credit)