3 attempts left Check my work Mass of iron Initial temperature of Fe Volume of water 42.70 g 79.10°C 54.73 mL Initial temperature of water 20.30°C Final water temperature 24.20°C Density of water g 1.00 mL J 4.184 g• °C Specific heat of water Specific heat of iron J 0.444 g• °C A student transfers a heated sample of pure iron metal to a Styrofoam coffee cup calorimeter containing deionized water. Use the collected data to answer the following questions. (a) Assuming that heat was transferred from the iron to the water and the calorimeter, determine the calorimeter constant. J Calorimeter constant °C (b) The actual calorimeter constant is 18.94 Calculate the percent error for the experimentally °C determined calorimeter constant. Percent error =

3 attempts left Check my work Mass of iron Initial temperature of Fe Volume of water 42.70 g 79.10°C 54.73 mL Initial temperature of water 20.30°C Final water temperature 24.20°C Density of water g 1.00 mL J 4.184 g• °C Specific heat of water Specific heat of iron J 0.444 g• °C A student transfers a heated sample of pure iron metal to a Styrofoam coffee cup calorimeter containing deionized water. Use the collected data to answer the following questions. (a) Assuming that heat was transferred from the iron to the water and the calorimeter, determine the calorimeter constant. J Calorimeter constant °C (b) The actual calorimeter constant is 18.94 Calculate the percent error for the experimentally °C determined calorimeter constant. Percent error =