Resting metabolism. Suppose a body loses heat to the environment at the rate of 100 J/ hr. How long would it take to a resting person to completely convert to energy (metabolize) a cookie with a nutritional value of 60 Cal. Suppose the same individual engage in aerobic exercise, during which the body looses hear to the environment at the rate of 250 J / hr. How long will it take to metabolize the energy in a 60 Cal cookie.
2. Resting
Suppose the same individual engage in aerobic exercise, during which the body looses hear to the environment at the rate of 250 J / hr. How long will it take to metabolize the energy in a 60 Cal cookie.
3. How much energy must be removed from 200 g of water beginning at 25 oC to convert it to ice cubes at – 10 oC? (note: three steps 1. Cool the water 2. Freeze the water, 3 cool the ice).
If this process happens in a home refrigerator, where does the heat removed from the water end up.
Since you have posted multiple questions, we are entitled to answer the first only.
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