A 7.50 g marshmallow is placed in a calorimeter and burned in excess oxygen. The temperature increases by 4.69°C. The calorimeter has a heat capacity of 22.3 kJ/°C. What is the approximate food value of marshmallows in Cal/g? (1 Cal = 4.184 kJ) 3.33 Cal/g d. 13.9 Cal/g a. b. 105 Cal/g e. 1.60 Cal/g c. 25.0 Cal/g

A 7.50 g marshmallow is placed in a calorimeter and burned in excess oxygen. The temperature increases by 4.69°C. The calorimeter has a heat capacity of 22.3 kJ/°C. What is the approximate food value of marshmallows in Cal/g? (1 Cal = 4.184 kJ) 3.33 Cal/g d. 13.9 Cal/g a. b. 105 Cal/g e. 1.60 Cal/g c. 25.0 Cal/g

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter7: Chemical Energy

Section: Chapter Questions

Problem 109AE: A sample of nickel is heated to 99.8C and placed in a coffee-cup calorimeter containing 150.0 g...

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