Question

A heater gives off heat at a rate of 330 kj/min. what is the rate of heat output in kilocalories per hour? (1 cal 4.184 j)

Answer 1

Answer: 4732.3135 kcal/hour

To answer this question you need to convert the kj into kcalorie then convert the min into hour. Becareful because 1 kilocalories = 1000 calories = 4.184 kjoule.
The calculation would be: 
330kj/min x (1kilocalorie/4.184kj) x 60 min/hour= 4732.3135 kcal/hour