sumihan04 sumihan04
  • 26-03-2017
  • Chemistry
contestada


If a person burns 2171 Cal each day, how much energy (kJ) does she burn in 2 days?

Respuesta :

samueladesida43
samueladesida43 samueladesida43
  • 10-08-2021

She will burn 18.17 KJ of energy in 2 days.

Energy can be measured in both joules and calories. The following units of energy are converted as follows:

1 calorie = 4.184 Joules

2171 calories = (2171 × 4.184) joules

= 9083.464 Joules

Since 1 kilojoules = 1000 joules

9083.464 Joules = (9083.464/1000) KJ

= 9.083 KJ

This means that the person burns 9.083 KJ of energy per day.

Hence, in 2days, the person will burn;

2 × 9.083 KJ

= 18.17 KJ of energy.

Learn more at: https://brainly.com/question/2110061

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