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Question

A pound of body fat stores an amount of chemical energy equivalent to 3500 Cal. When sleeping, the average adult burns or expends about 0.45 Cal/h for every pound of body weight. How many Calories would a 175 lb person burn during 7 hours of sleep? (Note that 1 Cal = 1 kcal.)

Answer:__ Cal

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Answer 1 · 2018-05-12T11:48:28

Chemical energy burnt for #0.45\ Cal*h^-1# for every pound of body weight

#=>#A #175\ lb# person burns #=0.45xx175 = 78.75 \ Cal*hr^-1#

#:.# In 7 hours a #175\ lb# person burns #=7xx78.75 = 551.25\ Cal#