Question

POST-LABORATORY QUESTIONS 1. Which food, Cheetos or Marshmallow, had more calories per gram? Marshmallow because in our experiment we got 5.87 Cal/gram compare to Cheetos that it has 2.33 Cal/gram. 2. Why did you obtain less than actual number of calories? (refer to the label provided on the food sample?) once the marshmallow burns up, it looses mass. 3. Why the amount of water in the can does not matter? 4. Will the caloric values be different if the thermometer is not correctly calibrated? Explain why? 5. The soda can you used in made of aluminum. You repeat the experiment with a copper can which has same size and thickness containing the same mass of water. Will the temperature change be different? Why? sh of copper = 0.38 J/(g°C) and sh of aluminum = 0.90 J/(g°C) Cooper

          POST-LABORATORY QUESTIONS
1. Which food, Cheetos or Marshmallow, had more calories per gram?
Marshmallow because in our experiment we
got 5.87 Cal/gram compare to Cheetos that
it has 2.33 Cal/gram.
2. Why did you obtain less than actual number of calories? (refer to the label provided on the food sample?)
once the marshmallow burns up, it looses
mass.
3. Why the amount of water in the can does not matter?
4. Will the caloric values be different if the thermometer is not correctly calibrated? Explain why?
5. The soda can you used in made of aluminum. You repeat the experiment with a copper can
which has same size and thickness containing the same mass of water. Will the temperature
change be different? Why? sh of copper = 0.38 J/(g°C) and sh of aluminum = 0.90 J/(g°C)
Cooper

POST-LABORATORY QUESTIONS
1. Which food, Cheetos or Marshmallow, had more calories per gram?
Marshmallow because in our experiment we
got 5.87 Cal/gram compare to Cheetos that
it has 2.33 Cal/gram.
2. Why did you obtain less than actual number of calories? (refer to the label provided on the food sample?)
once the marshmallow burns up, it looses
mass.
3. Why the amount of water in the can does not matter?
4. Will the caloric values be different if the thermometer is not correctly calibrated? Explain why?
5. The soda can you used in made of aluminum. You repeat the experiment with a copper can
which has same size and thickness containing the same mass of water. Will the temperature
change be different? Why? sh of copper = 0.38 J/(g°C) and sh of aluminum = 0.90 J/(g°C)
Cooper

Added by James P.

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