Answer:
51.28 grams of fat will gain
Explanation:
Correction: 10,000 kj about 2500 cal not 2500 kcal.
Asumption: basal metabolic rate will depend of weight, lenght, age and gender but its estipulated a 2000 cal basal metabolic rate as a standar for the calculation for nutritional value of food.
eating a 2500 cal in one day will left
Consuming about 2,500 calories in a day where you only sit relaxed for 16 hours and the rest of the time was used to sleep will mean a basal metabolism of 2000 cal, so 500 calories were left unused, taking into account that 1 calorie is about 4 kj we have to
500 cal * 4kj / cal = 2000 kj
The amount of energy stored as fat will be given by the following equation:
Unused energy / energy contained in one gram of fat = 2000 kj / (39 kj / g) = 51.28 grams of fat gain
Answer:
mass=238.52g
Explanation:
Energy that is not utilized for work or heat transfer is converted to the chemical energy of body fat containing about 39 kJ/g. How many grams of fat will you gain if you eat 10,000 kJ (about 2500 kcal) one day and do nothing but sit relaxed for 16.0 h and sleep for the other 8.00 h
unutilized energy converted to body fat, F=39 kj/g
time to relax=16h
consumed energy =10000 kj
sleeping time=8h
rate of energy consumption whilst sleeping=83j/s
rate of energy consumption whilst sitting=120j/s
energy is power x time
E=p*t
substituting the parameters
energy used in sleeping=83j/s*8*3600=2390400=2390.4kJ
energy consumed whilst sitting=120j/s*16*3600=6912kj
total unused nery =2390.4kJ+6912kj
9302.4kj
energy stored /mass=39 kJ/g
9302.4kj=39 kJ/g*mass
mass=9302.4kj/39 kJ/g
mass=238.52g
