I believe the answer is 29.2 kJ. I need to see each step and formula to solve this question. Please assume I know nothing because this would be the correct assumption. :)
1 calorie = 4.18400 joule
so, 6.50 kcal of heat = 6.50*1000 *4.184 J = 27170 ...
Answer with some important points to be noted.