energy

| December 7, 2015

Which of the foods tested contains the most energy per gram?

The food with tested with the most energy per gram is

How do your experimental results compare to published values?

Food Item Description:

Marshmallow

Peanut / Walnut

Potato Chip

Mass of food & holder- initial

23.6 g

1 g

27.2 g

Mass of food & holder- final

23.0 g

0.5 g

25.7 g

Mass of food burnt

0.6 g

0.5 g

1.5 g

Mass of beaker

54 g

54 g

54 g

Mass of beaker & water

108 g

108 g

108 g

Mass of water

54 g

54 g

54 g <<<<<<< Is this right?

Water temperature -initial

22 C

23 C

22 C

Water temperature- final

28 C

40 C

35 C

Delta T (oC change)

6 C

17 C

13 C

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