Energy conversions

1 food calorie = _______ chemistry calories

• 1000

• 1

• 500

• 4.184

A potato chip has 10 Calories and is burned completely. How much heat does it give off.

• 10 calories

• 2390 Joules

• 10,000 calories

• 2.39 Joules

How many calories are in 125 Joules? (1 cal = 4.18 J)

• 523

• 29.9

• 0.0282

• 65.7

A piece of food has 4 Calories. If it was burned completely, how much heat would it give off?

• 4 cal

• 4000 cal

• 17 joules

• not enough information is given

Convert 66 000 joules into kilojoules.

• 660

• 66

• 6.6

• 0.66