Related questions

Question

A 400.0 g piece of iron (sp. ht. = 0.38 J/g°C) is heated in a flame and dropped into a beaker containing 1000.0 g of water (sp. ht. = 4.18 J/g°C) at 20.0°C. The final temperature is 32.8°C. What is the initial temperature of the iron bar?