Magnesium sulfate is often used in first-aid hot packs, giving off heat when dissolved in water. A coffee cup calorimeter at 25°C contains 15.0 mL of water at 25°C. A 2.00-g sample of MgSO ₄ is dissolved in the water and 1.51 kJ of heat are evolved. (You can make the following assumptions about the solution: volume = 15.0 mL, density = 1.00 g/mL, specific heat = 4.18 J/g ∙ °C.)

(a) Write a balanced equation for the solution process.

(b) Is the process exothermic?

(c) What is qH ₂ O?

(d) What is the final temperature of the solution?

(e) What are the initial and final temperatures in °F?