Question #9d392

1 Answer
Meave60
Dec 15, 2014

Food calories are actually kilocalories, or Calories, with a capital C. 1 kcal = 1484 Joules (J), and 1 kJ = 1000 J.

Part 1. Convert kilocalories to Joules.

#"333 kcal"# x #"1484 J"/"1kcal"# = #"494172 J"# = #"494000 J"# (rounded to three significant figures)

Part 2. Convert Joules to kilojoules (kJ).

#"494000 J"# x #"1 kJ"/"1000 J"# = #"494 kJ"# (three significant figures)

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