A 2.00 g sample of peanut butter is placed into the ignition container of a bomb calorimeter then charged with excess oxygen. The bomb is placed into 2.000 L of water which is equilibrated to 23.750 C. Previously, the calorimeter constant for this bomb calorimeter was determined to be 3.125 kJ/C. After the peanut butter sample was ignited, the water temperature rose to 28.213 C. Required:
Determine the number of Calories in one serving (31.0 g, 2.00 Tablespoons) of peanut butter. Given 1 Calorie is 4184 J.