2. Calculate the energy content in units of Cal/oz based on the mass and tempera

Question

2. Calculate the energy content in units of Cal/oz based on the mass and temperature data. Show one sample calculation. mass (g) Initial T(C) Final T (C) Energy Content Listed on Label 2.41 2.29 Food Sample Oreo cookies Microwave popcorn Crunchy Cheetos Beef jerky Oil-roasted salted peanuts 26.12 25.76 30.92 29.95 160 Cal per serving (34 g) 130 Cal per serving (30 g) 2.21 2.23 2.45 25.13 25.89 25.64 30.49 29.54 31.79 160 Cal per serving (1 oz) 80 Cal per serving (1 oz) 170 Cal per serving (1 oz)

Explanation / Answer

Energy content =  [mass of water (g) * ?T * 4.18 ] / mass of the food sample in Oz

1) Oreo cookies = [2.41*(30.92-26.12)*4.18]/(34/28.3495) = 40.3 Cal/Oz

Similarly

for

2) Microwave Popcorn

3) Crunchy Cheetos

5) Oil-roasted salt peanuts

62.98215Cal/Oz

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33.44Cal/Oz

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