Question

1.literature value of energy in a "big mac" is 540 kcal, and energy required to melt ice is 80 cal/gram (not kcal). An unusual diet plan is to "cancel" calories gained from food by eating ice to absorb calories. How many kilograms of ice would offset one big mac?

Answer 1

. * * * Energy in a "Big mac" is 540 kcal. Energy required to melt ice is 80 call goam I kcalories equal to 1000 calories I Kical - 1000 calories 540 Kical = 540X1000 = 5,49000 calories

I goam ice absoobs t - - 80 calosies 5,40,000 calories I X 5, 10,000 80 = 6.750 kg → If the "big mai having energy of 540 Kical, then 6.150 kg of ice will required to - offset one big mac.