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(c) Calculate the amount of energy released per gram from each type of food tested. A (d) How did the different types of food compare? Was your prediction correct? Explain your answer. A

(c) Calculate the amount of energy released per gram from each type of food tested. A (d) How did the different types of food compare? Was your prediction correct? Explain your answer. A

Chemistry: Matter and Change
Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter3: Matter-properties And Changes
Section: Chapter Questions
Problem 11STP
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Temperature (°C) before experiment Temperature (°C) after experiment Food Sample Mass (g) Mass (g) before after experiment experiment marshmallows 7. 65 g 7.41 g 19°C 22.5 °C 7.37 g 7.26 g 19°C 24°C Pumpkin seeds 7.50 g 7.31 g 19°C 24.5°C cracker Dried 7.65 g 7.61 g 19°C 21°C cranberries 7.27 g 7.24 g 19°C 20.2 °C рорсorn 7.21 g 7.19 g 19°C 21°C Rice cake 12.17 12.04 16 22.5°C almond The mass of water being used in the experiment: 100 g
Transcribed Image Text:Temperature (°C) before experiment Temperature (°C) after experiment Food Sample Mass (g) Mass (g) before after experiment experiment marshmallows 7. 65 g 7.41 g 19°C 22.5 °C 7.37 g 7.26 g 19°C 24°C Pumpkin seeds 7.50 g 7.31 g 19°C 24.5°C cracker Dried 7.65 g 7.61 g 19°C 21°C cranberries 7.27 g 7.24 g 19°C 20.2 °C рорсorn 7.21 g 7.19 g 19°C 21°C Rice cake 12.17 12.04 16 22.5°C almond The mass of water being used in the experiment: 100 g
(c) Calculate the amount of energy released per gram from each type of food tested. (d) How did the different types of food compare? Was your prediction correct? Explain your answer. A (e) Foods cannot be compared without determining the "per gram" values. Explain the reasoning behind this statement. A (f) Explain your results in terms of the types of bonds and the relative bond energies found in carbohydrates, lipids, and proteins. (g) Describe what needed to be done to each food sample before it began to react on its own. Why is this not an option in living cells?
Transcribed Image Text:(c) Calculate the amount of energy released per gram from each type of food tested. (d) How did the different types of food compare? Was your prediction correct? Explain your answer. A (e) Foods cannot be compared without determining the "per gram" values. Explain the reasoning behind this statement. A (f) Explain your results in terms of the types of bonds and the relative bond energies found in carbohydrates, lipids, and proteins. (g) Describe what needed to be done to each food sample before it began to react on its own. Why is this not an option in living cells?
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