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PLTW Biomedical Science Final Study Guide With Questions And 100% ALL SURE ANSWERS
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JACKLINEPLTW Biomedical Science Final Study Guide With Questions And 100% ALL SURE
ANSWERS
Terms in this set (113)
What is a calorie? A unit of heat energy
With our crude calorimeters in class we burned A combustion reaction occurs. The food and oxygen in the air combine to form carbon dioxide
food by lighting it on fire. What chemical and water molecules and produce lots of energy. This happens in the body as well, using
reaction occurs when food is burned? How does enzymes to catalyze all of the reactions.
this reaction relate to the breakdown of food for
energy in our body?
If you burned a sample of food and the Calories = (1 cal/goC) (16oC) (100g) = 1600 calories
temperature of 100g of water in your calorimeter
rose from 20oC to 36oC, how many calories
were in the food sample?
Calories = (specific heat of water) x (change in
temp of water) x (mass of water) Specific heat of
how many calories/gram did the food contain?
water = 1 calorie/goC
1/10
, If the food sample you burned above had a 1600 calories/2g = 800 calories/gram
mass of 10g before burning and 8g after burning,
PLTW Biomedical Science Final Study Guide
2/10
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