Question

part a
how many kilojoules are there in 95.0 calories?
22.7
2.27 × 10⁷
3.97 × 10⁻⁴
397
none of the above

Explanation:

Step1: Conversion factor

We know that \(1\ Calorie = 4.184\ kJ\)

Step2: Calculate

If we have \(95.0\ Calories\), then the number of kilojoules \(n\) is given by the formula \(n=95.0\times4.184\ kJ\)

$$
LATEXBLOCK0
$$

Answer:

397