A 400-G Block of Iron at 400°c Is Dropped into a Calorimeter

Question 39
Multiple Choice

A 400-g block of iron at 400°C is dropped into a calorimeter (of negligible heat capacity)containing 60 g of water at 30°C.How much steam is produced? The latent heat of vaporization of water is 22.6 × 105 J/kg and its specific heat capacity is 4186 J/kg ∙ K.The average specific heat of iron over this temperature range is 560 J/kg ∙ K. A)22 g B)33 g C)42 g D)54 g E)59 g