Question

the energy produced by a snack in an experiment is calculated to be 1,254 j/g. what is the energy of the snack in calories/gram?

1000 cal = 1 cal

(1,254 \text{ j/g} = ? \text{ cal/g}\\)

remember there are 4.18 joules per 1 calorie.

Explanation:

Convert Joules to calories

$$ 1,254\text{ J/g} \div 4.184\text{ J/cal} \approx 299.713\text{ cal/g} $$

Convert calories to Calories

$$ 299.713\text{ cal/g} \div 1000\text{ cal/Cal} \approx 0.30\text{ Cal/g} $$

Answer:

The energy produced by a snack in an experiment is calculated to be 1,254 J/g. What is the energy of the snack in Calories/gram?

\(1000\text{ cal} = 1\text{ Cal}\)

\(1,254\text{ }\frac{\text{J}}{\text{g}} =\) <blank>\(0.30\)</blank> \(\frac{\text{Cal}}{\text{g}}\)