The nutritional calorie (Calorie) is equivalent to 1 kcal. One pound of body fat is equivalent to about 4.1 x 103 Calories.If a runner expends 1850 kJ/h, how long (h) does she have to run to work off 6.05 lb of body fat? Enter your answer in decimal format with one decimal place.   I'm not really sure how to start off this problem...

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Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.