Calculate how many kg an 80 kg person who replaces 30 minutes/day will lose in a year in front of the TV for 30 minutes of brisk walking. Use the following data: Expense calories during the walk (5 km/h) = 0.063 kcal/kg/minute. Calorie expenditure watching TV = 0.028 kcal/kg/min. 1 kg of weight lost is equivalent to about 7000 kcal.

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Q: Wri

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Q: The average mass of an oxygen atom is 5.3*10^-26 kg. Calculate the kinetic energy of a mole of…

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Human Metabolism

Being described as the most complicated machine ever encountered by humans, the human body and the cell metabolism is nothing less than a wonder. Metabolism is the set of life-sustaining chemical reactions within organisms.