IF YOUR MASTERING CHEM QUESTION IS THIS: One tablespoon of peanut butter has a mass of 17 g . Its combusted in a calorimeter whose warmth capability is 110 kJ/C . The temperature of the calorimeter rises from 22.3 C to 25.6 C.

ANSWER:

5.1 Cal/g

25.2-22.5 = 2.7 C

130 kJ/C x 2.7 C x 1000 J/kJ = 351,000 J

351,000 J / 4.184 J/cal = 83,900 cal

1000 energy = 1 meals Calorie

83.9 meals energy / 17 g = 4.93 meals energy/gram

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5.7 Cal/g

IF YOUR MASTERING CHEM QUESTION IS THIS: One tablespoon of peanut butter has a mass of 17 g . Its combusted in a calorimeter whose warmth capability is 110 kJ/C . The temperature of the calorimeter rises from 22.3 C to 25.6 C.

ANSWER:

5.1 Cal/g

Supply(s): mastering chem

5.7 Cal/g

This post is last updated on hrtanswers.com at Date : 1st of September – 2022