Part A During one week, Charles swam for a total of 2.5h and walked for a total of 8.5 h. If Charles expends 340 kcal/h swimming and 160 kcal/h walking, how many total kilocalories did he expend for one week? Express the energy in kilocalories to two significant figures. total for one week = kcal

Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter4: Chemical Reactions
Section: Chapter Questions
Problem 4.76P
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Part A
During one week, Charles swam for a total of 2.5h and walked for a total of 8.5 h. If Charles expends 340 kcal/h swimming and 160 kcal/h walking, how many total kilocalories did he expend for one week?
Express the energy in kilocalories to two significant figures.
total for one week =
kcal
Part B
If the loss of 3500 kcal is equal to a loss of 1.0 lb, for the amount of exercise that Charles did for one week in Part A, how much weight, in pounds, did he lose?
Express the energy in kilocalories to two significant figures.
weight loss in one week =
lb
Transcribed Image Text:Part A During one week, Charles swam for a total of 2.5h and walked for a total of 8.5 h. If Charles expends 340 kcal/h swimming and 160 kcal/h walking, how many total kilocalories did he expend for one week? Express the energy in kilocalories to two significant figures. total for one week = kcal Part B If the loss of 3500 kcal is equal to a loss of 1.0 lb, for the amount of exercise that Charles did for one week in Part A, how much weight, in pounds, did he lose? Express the energy in kilocalories to two significant figures. weight loss in one week = lb
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