For example, water has a specific heat of 4186 J/(kg C°) so 4186 J of thermal energy must be removed from 1 kg of water in order for the temperature to drop by 1 C°. Multiplying the specific heat of a...For example, water has a specific heat of 4186 J/(kg C°) so 4186 J of thermal energy must be removed from 1 kg of water in order for the temperature to drop by 1 C°. Multiplying the specific heat of a material by the mass of the material gives the heat capacity (C) of the object.