A calorimeter holds 55 g water at 21.0°C. A sample of hot iron is added to the water, and the final temperature of the water and iron is 24.0°C. What is the change in enthalpy associated with the change in the water’s temperature? The specific heat of water is 4.18 J/g°C

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.