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Energy that is not utilized for work or heat transfer is
Chapter 7, Problem 48(choose chapter or problem)
Problem 48PE
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? Use data from Table 7.5 for the energy consumption rates of these activities.
Questions & Answers
QUESTION:
Problem 48PE
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? Use data from Table 7.5 for the energy consumption rates of these activities.
ANSWER:
Solution 48PE
From the data given, we are required to calculate how much energy you would lose if you spend your day as given in the question.
Step 1 of 3
The energy you gain from food is 10,000 kJ.
Table 7.5 says,
You consume 83 J/s while you are sleeping.
You consume 120 J/s while you are sitting at rest.
The energy consumed by you after you sit relaxed for 16.0 h is J
J
kJ
The energy consumed by you after you sleep for 8.00 h is J
J
kJ