PChem ll: Lab 7 case study

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Last updated 1:13 AM on 8/25/26
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4 Terms

1
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What is the thermal dynamic sign and what does it signify?

(-deltaH) ; bc exothermic as the energy of the system goes into its surroundings

2
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When determining the caloric density of a food. What units can be used?

kcal/g or kJ/g ; total heat/sample mass

3
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Are all caloric meters set the same?

No - caloric constants are specific to individual equipment and set up and need to be calibrated separately.

4
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Will changing the amount of water in the bomb change the Ccal?

Yes - you must use the same amount of water for wach trial as changing water mass changes the Ccal.