How to find the number of calories given off...?

We had this lab where we burned cheetoes, and know i need to determine the number of calories given off by the burning cheeto. All i have is the mass of the cheeto, the mass of its residue, the mass that was burned away, the initial and final tmeperature of the water, and the volume of water. is there an equation for this? if not, could you tell me what i need to do? thank you!!

Answer:
If you are given that all of the heat energy from burning was transferred to the water, you can calculate the number of calories by knowing that 1 calorie raises one gram (=1 cc) of water by 1 degree Celsius.
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