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


A

Physics & Space Science

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