http://www.potsaa.com/china-serving/

200.0 g a China serving bowl has warmed 65.0 degrees C when it absorbs 2.6 kcal of heat from a portion of hot
200.0 g a China serving bowl has warmed 65.0 degrees C when it absorbs 2.6 kcal of heat from a portion of hot food. What is the specific heat of the porcelain?
(200 * (65 273.15) + 2.6) / 200 Perhaps there is a better answer in your manual.
World Watch China–a video by Open Doors–Serving the Persecuted Church